(!)NOTE : Windows 7 users won’t be able to use some latest features of eCatalog/WOS since Microsoft is ending support for Windows 7 on 14 Jan, 2020. Please upgrade your system for uninterrupted services.

  • Viewed
    Products
  • My
    Components
  • Cart
Recently Viewed Products
X
My Components
X
Cart item(s)
X
Loading...
  • Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

OKAMOTO KOKI Casters(Wheel Material:Nylon)

OKAMOTO KOKI offers products Casters specified by Wheel Material Nylon from Automation Components product category. There are a total of 10 items. Search and select detailed specifications of parts for your machine with free CAD downloads. OKAMOTO KOKI products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

Search by specifying the lower class category

CAD
Days to Ship
  • All
  • Same day
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • Others

10 items

Sort By
30
45
60
  1. 1
  • You can add up to 6 items per a category to the compare list.

    Steel Plate Caster, Free Swivel/Stopper, Inlucdes JB Metal Fitting, MCB/JB

    Steel Plate Caster, Free Swivel/Stopper, Inlucdes JB Metal Fitting, MCB/JB

    OKAMOTO KOKI

    The caster that is most generally used for industrial applications. Can be used together with the steel plate caster with swivel J hardware or the steel plate caster with fixed K hardware. Products with a left side stopper are available for ø100 and larger.

    [Features]
    · A variation in which an MC nylon wheel and a steel-made swivel hardware with brake are combined.
    · Selection is possible to suit the application, such as for usage in special environments.
    · Can be used together with the steel caster with a swivel J hardware.
    · A double stopper system that stops the wheel and swiveling simultaneously.
    · Because the stopper spring is made of steel plating, please be aware that there may be cases where sufficient braking force cannot be obtained when used in combination with nylon wheels (PC/MCE/MCA/MCB), ductile wheels (C/D), etc.
    · Products with a left side stopper are available for ø100 and larger.

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    101 ~ 178 - Plate Type Swivel 35.01~80.00 / 80.01~140.00 75 ~ 130 With Double Stopper (Rotation + Swivel) Nylon Steel 63 ~ 80 63 ~ 80 - - - Round Hole
    From: ₹ 3,206.27
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Stainless Steel Caster With Swivel Stopper JSZ Hardware, MCB/JSZ

    Stainless Steel Caster With Swivel Stopper JSZ Hardware, MCB/JSZ

    OKAMOTO KOKI

    A stainless steel caster in which SUS304 is used for the hardware main body. Since an MC nylon wheel is used, it is strong against rust and is preferred for use at food factories, etc.

    [Features]
    · A variation in which an MC nylon wheel and a stainless steel hardware with a swivel brake are combined.
    · Selection is possible to suit the application, such as for usage in special environments.
    · Can be used together with the stainless steel caster with fixed KS hardware.
    · A double stopper that stops swiveling and the wheel simultaneously.
    · Since rubber is used for the contact portion of the brake spring with the wheel, slipping will not easily occur even with wheels made of a hard material such as nylon.
    · A model with a left-stopper is also available for the ø100

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    144 ~ 178 - Plate Type Swivel 220.01~320.00 / 485.01~750.00 100 ~ 130 With Double Stopper (Rotation + Swivel) Nylon Stainless Steel 71 ~ 80 71 ~ 80 - - - Round Hole
    From: ₹ 7,156.73
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Small Caster for Heavy Loads, with Adjuster L-JW Fitting L-MCB/JW

    Small Caster for Heavy Loads, with Adjuster L-JW Fitting L-MCB/JW

    OKAMOTO KOKI

    A caster designed to endure large loads despite having a small diameter. Movement is easy because of the resin wheel and included bearing.

    [Features]
    · A compact caster for heavy loads with an adjuster that employs a unique leveling method and enables easy and secure leveling.
    · Available in a wide variety through combinations with various wheels.

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    92 ~ 106 - With Leveling Mounts 220.01~320.00 / 320.01~485.00 65 ~ 75 Not Provided Nylon Steel - - - - - -
    From: ₹ 5,575.07
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    MCB/JW with Small Heavy Duty Caster Free JW Fitting

    MCB/JW with Small Heavy Duty Caster Free JW Fitting

    OKAMOTO KOKI

    A caster designed to endure large loads despite having a small diameter. Movement is easy because of the resin wheel and included bearing.

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    68 ~ 106 - Plate Type Swivel 140.01~220.00 / 220.01~320.00 / 320.01~485.00 50 ~ 75 Not Provided Nylon Steel 36 ~ 71 54 ~ 71 - - - Round Hole
    From: ₹ 2,556.78
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Stainless Steel Caster, Fixed, with KS Metal Fitting, MCB/KS

    Stainless Steel Caster, Fixed, with KS Metal Fitting, MCB/KS

    OKAMOTO KOKI

    A stainless steel caster in which SUS304 is used for the hardware main body. Since MC nylon is used for the wheel, it is strong against rust and is preferred for use at food factories, etc.

    [Features]
    · A variation in which an MC nylon wheel and a stainless steel hardware are combined.
    · Selection is possible to suit the application, such as for usage in special environments.
    · Can be used together with the stainless steel caster with swivel JS hardware.

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    101 ~ 178 - Plate Type Fixed 220.01~320.00 / 320.01~485.00 / 485.01~750.00 75 ~ 130 Not Provided Nylon Stainless Steel 40 ~ 56 63 ~ 100 - - - Round Hole
    From: ₹ 3,217.45
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Stainless Steel Swivel Caster With JS Hardware MCB/JS

    Stainless Steel Swivel Caster With JS Hardware MCB/JS

    OKAMOTO KOKI

    A stainless steel caster in which SUS304 is used for the hardware main body. Since MC nylon is used for the wheel, it is strong against rust and is preferred for use at food factories, etc.

    [Features]
    · A variation in which an MC nylon wheel and a stainless steel hardware are combined.
    · Selection is possible to suit the application, such as for usage in special environments.
    · Can be used together with the stainless steel caster with fixed KS hardware.

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    101 ~ 178 - Plate Type Swivel 220.01~320.00 / 320.01~485.00 / 485.01~750.00 75 ~ 130 Not Provided Nylon Stainless Steel 63 ~ 80 63 ~ 80 - - - Round Hole
    From: ₹ 4,141.00
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Steel Plate Caster, with Fixed K Fitting MCB/K

    Steel Plate Caster, with Fixed K Fitting MCB/K

    OKAMOTO KOKI

    The caster that is most generally used for industrial applications. Can be used together with the steel plate caster with swivel J hardware or the steel plate caster with swivel stopper JB hardware.

    [Features]
    · A variation in which an MC nylon wheel and a steel fixed hardware are combined.
    · Selection is possible to suit the application, such as for usage in special environments.
    · Can be used together with the steel caster with a swivel J hardware.

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    101 ~ 178 - Plate Type Fixed 140.01~220.00 / 220.01~320.00 / 320.01~485.00 75 ~ 130 Not Provided Nylon Steel 40 ~ 56 63 ~ 100 - - - Round Hole
    From: ₹ 2,566.67
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Steel Plate Caster, Freely Swiveling, J Bracket, MCB/J

    Steel Plate Caster, Freely Swiveling, J Bracket, MCB/J

    OKAMOTO KOKI

    The caster that is most generally used for industrial applications. Can be used together with the steel plate caster with fixed K hardware or the steel plate caster with swivel stopper JB hardware.

    [Features]
    · A variation in which an MC nylon wheel and a steel swivel hardware are combined.
    · Selection is possible to suit the application, such as for usage in special environments.
    · Can be used together with the steel caster with a fixed K hardware.

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    101 ~ 178 - Plate Type Swivel 140.01~220.00 / 220.01~320.00 / 320.01~485.00 75 ~ 130 Not Provided Nylon Steel 63 ~ 80 63 ~ 80 - - - Round Hole
    From: ₹ 2,888.84
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Small Casters for Heavy Loads, with Fixed KW Fittings MCB/KW

    Small Casters for Heavy Loads, with Fixed KW Fittings MCB/KW

    OKAMOTO KOKI

    A caster designed to endure large loads despite having a small diameter. Movement is easy because of the resin wheel and included bearing.

    [Features]
    · Can be used together with the compact caster for heavy loads with a swivel JW hardware and the compact caster for heavy loads with a swivel adjuster L-JW hardware.

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    68 ~ 106 - Plate Type Fixed 140.01~220.00 / 220.01~320.00 / 320.01~485.00 50 ~ 75 Not Provided Nylon Steel 36 ~ 52 66 ~ 103 - - - Round Hole
    From: ₹ 2,224.09
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Dual-Wheel Caster, TY40NSV/TY50NSV/TY60JNSV

    Dual-Wheel Caster, TY40NSV/TY50NSV/TY60JNSV

    OKAMOTO KOKI

    [Features]
    · A bolt-fixed type small diameter dual wheel caster.
    · Screw diameters and stoppers can be selected to suit the application.

    CAD :
    2D
    Mounting Height H(mm) Type Caster Type Load Range(daN) Wheel Dia. D(Ø) Stopper (Detail) Wheel Material Fitting Material Mounting Hole Pitch, Short Length Direction W1(mm) Mounting Hole Pitch, Long Length Direction L1(mm) Thread Dia. Wheel Characteristics Mounting Hole Pitch Circular Diameter(mm) Mounting Hole Type
    68.5 - Screw-In Type / Dual Wheels 80.01~140.00 60 Not Provided / With Rotation Stopper Nylon Steel - - M8 - - -
    From: ₹ 680.04
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
Brand
Product Series
CAD
From
Days to Ship
Mounting Height H(mm)
Type
Caster Type
Load Range(daN)
Wheel Dia. D(Ø)
Stopper (Detail)
Wheel Material
Fitting Material
Mounting Hole Pitch, Short Length Direction W1(mm)
Mounting Hole Pitch, Long Length Direction L1(mm)
Thread Dia.
Wheel Characteristics
Mounting Hole Pitch Circular Diameter(mm)
Mounting Hole Type

You can add up to 6 items per a category to the compare list.

Steel Plate Caster, Free Swivel/Stopper, Inlucdes JB Metal Fitting, MCB/JB

    You can add up to 6 items per a category to the compare list.

    Stainless Steel Caster With Swivel Stopper JSZ Hardware, MCB/JSZ

      You can add up to 6 items per a category to the compare list.

      Small Caster for Heavy Loads, with Adjuster L-JW Fitting L-MCB/JW

        You can add up to 6 items per a category to the compare list.

        MCB/JW with Small Heavy Duty Caster Free JW Fitting

          You can add up to 6 items per a category to the compare list.

          Stainless Steel Caster, Fixed, with KS Metal Fitting, MCB/KS

            You can add up to 6 items per a category to the compare list.

            Stainless Steel Swivel Caster With JS Hardware MCB/JS

              You can add up to 6 items per a category to the compare list.

              Steel Plate Caster, with Fixed K Fitting MCB/K

                You can add up to 6 items per a category to the compare list.

                Steel Plate Caster, Freely Swiveling, J Bracket, MCB/J

                  You can add up to 6 items per a category to the compare list.

                  Small Casters for Heavy Loads, with Fixed KW Fittings MCB/KW

                    You can add up to 6 items per a category to the compare list.

                    Dual-Wheel Caster, TY40NSV/TY50NSV/TY60JNSV
                      Brand

                      OKAMOTO KOKI

                      OKAMOTO KOKI

                      OKAMOTO KOKI

                      OKAMOTO KOKI

                      OKAMOTO KOKI

                      OKAMOTO KOKI

                      OKAMOTO KOKI

                      OKAMOTO KOKI

                      OKAMOTO KOKI

                      OKAMOTO KOKI

                      Product Series

                      Steel Plate Caster, Free Swivel/Stopper, Inlucdes JB Metal Fitting, MCB/JB

                      Stainless Steel Caster With Swivel Stopper JSZ Hardware, MCB/JSZ

                      Small Caster for Heavy Loads, with Adjuster L-JW Fitting L-MCB/JW

                      MCB/JW with Small Heavy Duty Caster Free JW Fitting

                      Stainless Steel Caster, Fixed, with KS Metal Fitting, MCB/KS

                      Stainless Steel Swivel Caster With JS Hardware MCB/JS

                      Steel Plate Caster, with Fixed K Fitting MCB/K

                      Steel Plate Caster, Freely Swiveling, J Bracket, MCB/J

                      Small Casters for Heavy Loads, with Fixed KW Fittings MCB/KW

                      Dual-Wheel Caster, TY40NSV/TY50NSV/TY60JNSV

                      CAD
                      • 2D
                      • 2D
                      • 2D
                      • 2D
                      • 2D
                      • 2D
                      • 2D
                      • 2D
                      • 2D
                      • 2D
                      From

                      ₹ 3,206.27-

                      ₹ 7,156.73-

                      ₹ 5,575.07-

                      ₹ 2,556.78-

                      ₹ 3,217.45-

                      ₹ 4,141.00-

                      ₹ 2,566.67-

                      ₹ 2,888.84-

                      ₹ 2,224.09-

                      ₹ 680.04-

                      Days to Ship 6 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more
                      Mounting Height H(mm)101 ~ 178144 ~ 17892 ~ 10668 ~ 106101 ~ 178101 ~ 178101 ~ 178101 ~ 17868 ~ 10668.5
                      Type----------
                      Caster TypePlate Type SwivelPlate Type SwivelWith Leveling MountsPlate Type SwivelPlate Type FixedPlate Type SwivelPlate Type FixedPlate Type SwivelPlate Type FixedScrew-In Type / Dual Wheels
                      Load Range(daN)35.01~80.00 / 80.01~140.00220.01~320.00 / 485.01~750.00220.01~320.00 / 320.01~485.00140.01~220.00 / 220.01~320.00 / 320.01~485.00220.01~320.00 / 320.01~485.00 / 485.01~750.00220.01~320.00 / 320.01~485.00 / 485.01~750.00140.01~220.00 / 220.01~320.00 / 320.01~485.00140.01~220.00 / 220.01~320.00 / 320.01~485.00140.01~220.00 / 220.01~320.00 / 320.01~485.0080.01~140.00
                      Wheel Dia. D(Ø)75 ~ 130100 ~ 13065 ~ 7550 ~ 7575 ~ 13075 ~ 13075 ~ 13075 ~ 13050 ~ 7560
                      Stopper (Detail)With Double Stopper (Rotation + Swivel)With Double Stopper (Rotation + Swivel)Not ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided / With Rotation Stopper
                      Wheel MaterialNylonNylonNylonNylonNylonNylonNylonNylonNylonNylon
                      Fitting MaterialSteelStainless SteelSteelSteelStainless SteelStainless SteelSteelSteelSteelSteel
                      Mounting Hole Pitch, Short Length Direction W1(mm)63 ~ 8071 ~ 80-36 ~ 7140 ~ 5663 ~ 8040 ~ 5663 ~ 8036 ~ 52-
                      Mounting Hole Pitch, Long Length Direction L1(mm)63 ~ 8071 ~ 80-54 ~ 7163 ~ 10063 ~ 8063 ~ 10063 ~ 8066 ~ 103-
                      Thread Dia.---------M8
                      Wheel Characteristics----------
                      Mounting Hole Pitch Circular Diameter(mm)----------
                      Mounting Hole TypeRound HoleRound Hole-Round HoleRound HoleRound HoleRound HoleRound HoleRound Hole-

                      Loading...

                      1. 1

                      Related Categories to Casters

                      FAQ Casters and Wheels

                      Question: What are casters?
                      Answer: Casters are wheels that are attached to the bottom of an object to make it mobile. They are used in a wide variety of applications, from shopping carts to industrial equipment. Casters typically consist of a wheel, a mounting plate, and a swivel mechanism. The wheel is made of a variety of materials, such as rubber, polyurethane, and steel. The mounting plate is attached to the bottom of the object, and the swivel mechanism allows the caster to rotate.
                      Question: Why choose MISUMI casters?
                      Answer: MISUMI casters are a popular choice for a variety of industrial applications due to their high quality, durability, and performance. These products are manufactured by leading Asian manufacturers and are carefully selected by MISUMI to meet the requirements of its customers. They are also available in a wide variety of types, including heavy-duty casters, light-duty casters, swivel casters, rigid casters, locking casters, and etc.
                      Question: What are the different types of casters?
                      Answer: There are many different types of casters available, each designed for a specific application. Some of the most common types of casters include:
                      Rigid casters: Rigid casters do not swivel, so they only move in a straight line. They are often used on heavy-duty equipment, such as forklifts and industrial carts.
                      Locking casters: Locking casters have a mechanism that allows them to be locked in place, preventing them from rolling. This is useful for equipment that needs to be stationary, such as medical beds and workbenches.
                      Heavy-duty casters: Heavy-duty casters are designed to carry heavy loads. They are often used on industrial equipment and forklifts.
                      Light-duty casters: Light-duty casters are designed for lighter loads. They are often used on furniture and office chairs.
                      Question: How do I choose the right casters for my application?
                      Answer: When choosing the right casters for your application, there are a few key factors to consider:
                      Load capacity: Determine the maximum weight that the caster wheels will need to support. It is important to choose casters with a load capacity that exceeds the weight of your load to ensure safety and longevity.
                      Wheel diameter: The size of the wheels affects maneuverability and stability. Larger wheels roll more easily over uneven surfaces and obstacles, but they may require more space. Smaller wheels may not perform as well on rough surfaces.
                      Wheel material: Consider the type of floor or surface the wheels will encounter. Different materials are suitable for various applications. For example, rubber wheels are good for all-around use, while polyurethane wheels are more durable and resistant to chemicals and abrasion. Nylon wheels are lightweight and easy to maneuver, while steel wheels are the most durable but also the heaviest.
                      Wheel type: Depending on the application, you may choose from different wheel types, such as swivel wheels, fixed wheels, or wheels with brakes.
                      Environment: Consider the operating environment and conditions. For example, if you are using the casters in a cleanroom or healthcare setting, you will need to choose casters that meet specific cleanliness and hygiene standards.
                      Mounting options: Casters are available with a variety of mounting options, such as plate mount, stem mount, and bolt hole mount. Choose the mounting option that is compatible with your application.
                      Question: What are the best casters for industrial applications?
                      Answer: The best casters for industrial applications are heavy-duty casters that are designed to carry heavy loads and withstand harsh environments. Some of the most common types of casters used in industrial applications include:
                      Polyurethane casters: Polyurethane casters are durable and have a high load capacity. They are also resistant to chemicals and abrasion.
                      Steel casters: Steel casters are the most durable type of caster, but they are also the heaviest. They are often used on forklifts and other heavy-duty equipment.
                      Rubber casters: Rubber casters are soft and quiet, making them ideal for use in warehouses and other areas where noise is a concern.
                      Question: What are the different materials used to make casters wheels?
                      Answer: Casters are made from a variety of materials, including:
                      Rubber: Rubber casters are soft and quiet, making them ideal for use on delicate floors and in areas where noise is a concern.
                      Polyurethane: Polyurethane casters are durable and have a high load capacity. They are also resistant to chemicals and abrasion.
                      Steel: Steel casters are the most durable type of caster, but they are also the heaviest. They are often used on forklifts and other heavy-duty equipment.
                      Nylon: Nylon casters are lightweight and durable. They are often used on office chairs and other furniture.
                      Phenolic: Phenolic casters are resistant to heat and chemicals. They are often used in industrial applications.
                      X
                      whatsapp-qr whatsapp-icon