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Machine Keys（Hole Machining：Straight）

Machine keys are parts used to fasten components such as gears, pulleys, sprockets and couplings to rotary shafts. They are used for applications that transmit power in machineries such as motors and reduction drives. Several types of machine keys are available. Parallel keys have the simplest structure. There are also specially shaped varieties such as taper keys and Woodruff keys. Machine keys come in various shapes, such as types with squared-off or rounded ends. There are also product lineups that include models with pre-drilled counterbore holes, taps or the like. Key sizes are defined by JIS standards in Japan. The applicable standard has been revised, so some models are compatible with the new standard and some with the old. The right machine key model should be selected by matching it to the size of the drive unit's shaft and keyway.

Shape	Parallel Keys (Straight) Parallel Keys (Round at One End) Parallel Keys (Round at Both Ends) Tapered Machine Keys Woodruff Keys
Brand	(6) (2) HIMENO PRECISION (5) NANKAI INDUSTRY (2) OHKITA (6) SEIKI (4) SUNCO (6) TRUSCO NAKAYAMA (2)
CAD	2D 3D
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

31 items

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: 30; 45; 60

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MiSUMi Economy

Parallel Keys Straight / Round at One End / Round at Both End

MiSUMi Economy

MISUMI

Volume Discount

CAD ：: 2D / 3D

From: ₹ 67.00
Days to Ship: Same day

Same day

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Parallel Keys

MISUMI

[Features]·Both fixed dimension selection and custom dimension types are available.

Volume Discount

CAD ：: 2D / 3D

Same day or more

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New JIS Parallel Key

HIMENO PRECISION

A machine key with a total length of 300 mm.

From: ₹ 356.04
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Woodruff Key

OHKITA

[All Products Available Individually]
· Face milling cutter enables keyways to be easily machined.
Material = S45C

From: ₹ 140.01
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Parallel Keys - Blank

MISUMI

[Features]·A parallel key (straight). [Material]·S45C.

Volume Discount

CAD ：: 2D / 3D

From: ₹ 431.82
Days to Ship: Same day or more

Same day or more

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New JIS Parallel Machine Key【1-100 Pieces Per Package】

HIMENO PRECISION

A machine key used to join parts such as gears and pulleys to a rotating axis so that they rotate together.
[Applications]
· Optimal for holding adjoined parts in place, such as shafts, gears and sprockets in motors and speed reducers.

Volume Discount

From: ₹ 47.36
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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SEIKI Machine Key, Free Length Series (JIS B 1301)

SEIKI

Choose from over 8,000 length variations. For sizes not included in the standard series, click here. Key lengths can be specified in units of 1 mm, and can be prepared to your preferred size.

From: ₹ 318.91
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Single-End Rounded Machine Key

OHKITA

Made by Okita Co., Ltd., Machine key, Single-end rounded machine key. [Shape]Parallel key (Single-end rounded)

From: ₹ 216.95
Days to Ship: 8 Day(s) or more

8 Day(s) or more

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Key material (S45C)

TRUSCO NAKAYAMA

Features
· Can be cut to a desired length and used.

Application
· Holds adjoined parts in place such as shafts, gears and sprockets in motors and speed reducers.

From: ₹ 260.01
Days to Ship: 5 Day(s) or more

5 Day(s) or more

Economy series

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MiSUMi Economy

Parallel Keys Semi-Finished

MiSUMi Economy

MISUMI

Volume Discount

CAD ：: 2D / 3D

From: ₹ 282.00
Days to Ship: Same day

Same day

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SEIKI Machine Key, Standard Series (JIS B 1301)

SEIKI

[Features]
· Convenient SEIKI standard series.

From: ₹ 111.93
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Square Machine Keys

OHKITA

Made by Okita Co., Ltd., Machine key, Square machine keys. [Shape]Parallel key (Straight)

From: ₹ 227.28
Days to Ship: 7 Day(s) or more

7 Day(s) or more

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Parallel Keys - Stainless Steel

MISUMI

[Features]·Stainless steel parallel key (blank type). [Material]·SUS316.

Volume Discount

CAD ：: 2D / 3D

From: ₹ 1,056.85
Days to Ship: Same day or more

Same day or more

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New JIS Single Round End Key【1-500 Pieces Per Package】

HIMENO PRECISION

[Shape] Parallel key (single round end shape) tapped hole no machining
[Surface treatment] None width (mm) 3 4 5 6 7 8 10 12 14 15 16 18 20 22 24 25 28 32
[Total length (mm)] 8 10 12 14 15 16 18 20 22 24 25 28 30 35 36 40 45 50 55 60 62 65 70 75 80 85 90 95 100 105 110 115 120 125 129 130 140 142 145 150 180
[Material] S45C Stainless steel
[Height (mm)] 3 4 5 6 7 8 9 10 11 12 14 16 18
[Sales unit] Sold individually (a single piece is available for purchase) box/pack

Volume Discount

From: ₹ 46.00
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Tapered Machine Keys with Gib Head

MISUMI

[Features]·A taper key. ·No hole drilling. [Material]·S45C.

Volume Discount

CAD ：: 2D / 3D

From: ₹ 250.01
Days to Ship: 8 Day(s) or more

8 Day(s) or more

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New JIS Double Round End Key【1-100 Pieces Per Package】

HIMENO PRECISION

[Shape] Parallel machine key (both ends rounded) holes tapped not machined
[Surface treatment] None width (mm) 4 5 6 7 8 10 12 14 15 16 18 20 22 24 25 28 32
[Total length (mm)] 8 10 12 14 15 16 18 19 20 22 24 25 28 30 35 38 40 45 46 50 54 55 60 65 67 70 75 78 80 85 90 95 100 105 110 115 118 120 125 130 140 150 170 180 215
[Material] S45C Stainless steel
[Height (mm)] 4 5 6 7 8 9 10 11 12 14 16 18
[Sales unit] Sold individually (a single piece is available for purchase) box/pack

Volume Discount

From: ₹ 51.20
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Old JIS Parallel Key

HIMENO PRECISION

[Shape] Parallel key (straight)
[Overall length (mm)] 300 tapped hole no machining
[Surface treatment] None
[Sales unit] Sold individually (a single piece is available for purchase) width (mm) 4 5 7 8 10 12 15 18 20 24 28 32 35 38 42 45 50
[Material] S45C Stainless steel
[Height (mm)] 4 5 7 8 10 12

From: ₹ 352.49
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Parallel Key Both Round Seiki Seisakusho

SUNCO

Machine key used to rotate parts such as gears and pulleys together.
[Features]
·To be set into a rotating shaft for mating.
·Materials: S50C/SUS316.
·Made by Seiki Seisakujyo.
[Applications]
·Ideal for stopping rotation of joint between the shafts of motors and speed reducers and those of gears and sprockets.

From: ₹ 157.25
Days to Ship: 6 Day(s) or more

6 Day(s) or more

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Single Round Key, Made by SEIKI Manufacturing

SUNCO

Single-end rounded machine key. [Shape]Parallel key (Single round end); Material: S50C SUS316

From: ₹ 260.40
Days to Ship: 6 Day(s) or more

6 Day(s) or more

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Standard Size Key【1-2 Pieces Per Package】

SEIKI

Convenient "key stock" from SEIKI.
[Features]
・ Guaranteed strength allows you to use with confidence
・ Excellent corrosion resistance (SUS316)
・ Standard dimensional accuracy for JIS B1301 (Back side)
・ Easy-to-use length

Days to Ship: 12 Day(s) or more

12 Day(s) or more

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Rounded Key

OHKITA

Made by Okita Co., Ltd., Machine key, Double round end key. [Shape]Parallel key (Double-end rounded)

From: ₹ 236.03
Days to Ship: 7 Day(s) or more

7 Day(s) or more

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Parallel Key Stock, New JIS

OHKITA

[Shape]Parallel key (straight); Material: Steel/Stainless steel; Overall length: 300 mm

From: ₹ 248.74
Days to Ship: 7 Day(s) or more

7 Day(s) or more

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Parallel key both round type (S45C)【5-10 Pieces Per Package】

TRUSCO NAKAYAMA

Features
· Double round end machine keys are simple and fast to use.

Application
· Holds adjoined parts in place such as shafts, gears and sprockets in motors and speed reducers.

From: ₹ 81.21
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Parallel Key Stock, Former JIS

OHKITA

A standard size (300 mm) key stock finished within the tolerance of JIS 1959 version.

From: ₹ 378.69
Days to Ship: 7 Day(s) or more

7 Day(s) or more

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Both Ends Round【1-150 Pieces Per Package】

NANKAI INDUSTRY

[Features]
·It can be used immediately without the need for double-round, single-round, or double-sided processing.
·Standardized and packed in one dimension.
·The length dimension is negative, so it can be easily inserted into the keyway.
·The material is S45C, and the tolerance is new JIS.

Volume Discount

From: ₹ 50.70
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Parallel Key Both Round Himeno Precision Works, Inc.

SUNCO

Double round end key. [Materials]Can choose from S45C/stainless steel etc.

From: ₹ 134.01
Days to Ship: 6 Day(s) or more

6 Day(s) or more

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Both Ends Square【1-100 Pieces Per Package】

NANKAI INDUSTRY

[Shape] Parallel key (straight) tapped hole no machining
[Material] Steel
[Surface treatment] None width (mm) 4 5 6 7 8 10 12 14
[Total length (mm)] 10 12 15 20 25 30 35 40 45 50 60 70 80
[Height (mm)] 4 5 6 7 8 9
[Sales unit] Sold individually (a single piece is available for purchase) box/pack
[Type] RK

Volume Discount

From: ₹ 35.14
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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SEIKI Machine Key, Key Material

SEIKI

Material used for machine keys.

From: ₹ 965.78
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Parallel Key Seiki Seisakusho

SUNCO

Square machine keys, made by Seiki Seisakusho. Material: S50C, strength: 600 N⋅mm2 or more

From: ₹ 140.01
Days to Ship: 6 Day(s) or more

6 Day(s) or more

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Old JIS Head Gradient Key

SUNCO

[Material] Iron
[Width (mm)] 4/5/6/7/8/10/12/15/18/20/24/28/32/35/38/42/45
[Overall length (mm)] 30/40/45/50/65/75/90/110/135/150/180/210/240/260/285/315/340
[Hole Machining] No Machining

From: ₹ 915.62
Days to Ship: 6 Day(s) or more

6 Day(s) or more

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New JIS Headed Gradient Key, by Himeno Seisakusho

SUNCO

[Shape] Gradient Key
[Material] Iron
[Width (mm)] 4/5/6/7/8/10/12/14/16/18/20/22/25/28/32/36/40/45/50
[Overall length (mm)] 30/40/45/60/75/90/110/120/135/150/170/200/210/240/280/310/340/370
[Hole Machining] No Machining

From: ₹ 516.22
Days to Ship: 6 Day(s) or more

6 Day(s) or more


Brand
Product Series
CAD
From
Days to Ship
Specifications
Shape
Width(mm)
Overall Length(mm)
Material
Hole Machining

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Brand	MISUMI MiSUMi Economy	MISUMI	HIMENO PRECISION	OHKITA	MISUMI	HIMENO PRECISION	SEIKI	OHKITA	TRUSCO NAKAYAMA	MISUMI MiSUMi Economy	SEIKI	OHKITA	MISUMI	HIMENO PRECISION	MISUMI	HIMENO PRECISION	HIMENO PRECISION	SUNCO	SUNCO	SEIKI	OHKITA	OHKITA	TRUSCO NAKAYAMA	OHKITA	NANKAI INDUSTRY	SUNCO	NANKAI INDUSTRY	SEIKI	SUNCO	SUNCO	SUNCO
Product Series	Parallel Keys Straight / Round at One End / Round at Both End	Parallel Keys	New JIS Parallel Key	Woodruff Key	Parallel Keys - Blank	New JIS Parallel Machine Key【1-100 Pieces Per Package】	SEIKI Machine Key, Free Length Series (JIS B 1301)	Single-End Rounded Machine Key	Key material (S45C)	Parallel Keys Semi-Finished	SEIKI Machine Key, Standard Series (JIS B 1301)	Square Machine Keys	Parallel Keys - Stainless Steel	New JIS Single Round End Key【1-500 Pieces Per Package】	Tapered Machine Keys with Gib Head	New JIS Double Round End Key【1-100 Pieces Per Package】	Old JIS Parallel Key	Parallel Key Both Round Seiki Seisakusho	Single Round Key, Made by SEIKI Manufacturing	Standard Size Key【1-2 Pieces Per Package】	Rounded Key	Parallel Key Stock, New JIS	Parallel key both round type (S45C)【5-10 Pieces Per Package】	Parallel Key Stock, Former JIS	Both Ends Round【1-150 Pieces Per Package】	Parallel Key Both Round Himeno Precision Works, Inc.	Both Ends Square【1-100 Pieces Per Package】	SEIKI Machine Key, Key Material	Parallel Key Seiki Seisakusho	Old JIS Head Gradient Key	New JIS Headed Gradient Key, by Himeno Seisakusho
CAD	2D / 3D	2D / 3D			2D / 3D					2D / 3D			2D / 3D		2D / 3D
From	₹ 67.00		₹ 356.04	₹ 140.01	₹ 431.82	₹ 63.00	₹ 318.91	₹ 216.95	₹ 260.01	₹ 282.00	₹ 111.93	₹ 227.28	₹ 1,056.85	₹ 46.00	₹ 250.01	₹ 80.20	₹ 352.49	₹ 157.25	₹ 260.40		₹ 236.03	₹ 248.74	₹ 712.96	₹ 378.69	₹ 92.00	₹ 134.01	₹ 65.00	₹ 965.78	₹ 140.01	₹ 915.62	₹ 516.22
Days to Ship	Same day	Same day or more	5 Day(s) or more	5 Day(s) or more	Same day or more	5 Day(s) or more	5 Day(s) or more	8 Day(s) or more	5 Day(s) or more	Same day	5 Day(s) or more	7 Day(s) or more	Same day or more	5 Day(s) or more	8 Day(s) or more	5 Day(s) or more	5 Day(s) or more	6 Day(s) or more	6 Day(s) or more	12 Day(s) or more	7 Day(s) or more	7 Day(s) or more	5 Day(s) or more	7 Day(s) or more	5 Day(s) or more	6 Day(s) or more	5 Day(s) or more	5 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more
Specifications
Shape	Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)	Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)	Parallel Keys (Straight)	Woodruff Keys	Parallel Keys (Straight)	Parallel Keys (Straight)	Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)	Parallel Keys (Round at One End)	Parallel Keys (Straight)	Parallel Keys (Straight)	Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)	Parallel Keys (Straight)	Parallel Keys (Straight)	Parallel Keys (Round at One End)	Tapered Machine Keys	Parallel Keys (Round at Both Ends)	Parallel Keys (Straight)	Parallel Keys (Round at Both Ends)	Parallel Keys (Round at One End)	Parallel Keys (Straight)	Parallel Keys (Round at Both Ends)	Parallel Keys (Straight)	Parallel Keys (Round at Both Ends)	Parallel Keys (Straight)	Parallel Keys (Round at Both Ends)	Parallel Keys (Round at Both Ends)	Parallel Keys (Straight)	Parallel Keys (Straight)	Parallel Keys (Straight)	Tapered Machine Keys	Tapered Machine Keys
Width(mm)	3 ～ 8	2 ～ 32	2 ～ 56	3 ～ 10	3 ～ 18	3 ～ 25	2 ～ 18	3 ～ 32	3 ～ 36	5 ～ 12	2 ～ 14	3 ～ 36	2 ～ 12	3 ～ 28	4 ～ 38	4 ～ 28	4 ～ 50	4 ～ 20	3 ～ 5	3 ～ 22	3 ～ 36	3 ～ 56	3 ～ 12	8 ～ 50	4 ～ 14	3 ～ 5	4 ～ 14	2 ～ 14	5	15 ～ 20	12
Overall Length(mm)	10 ～ 40	5 ～ 300	300	-	300	10 ～ 150	5 ～ 120	6 ～ 100	300	300	5 ～ 100	6 ～ 150	350	8 ～ 150	34 ～ 323	8 ～ 150	300	12 ～ 150	8 ～ 20	300 ～ 350	6 ～ 150	-	8 ～ 80	-	8 ～ 150	7 ～ 15	10 ～ 80	350	14	110 ～ 150	90
Material	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel	Steel	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Stainless Steel	Steel / Stainless Steel	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel	Stainless Steel	Steel	Steel	Steel
Hole Machining	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight	Straight

Configure

Specification/Dimensions

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[5-300/1mm Unit(s)]
Clear