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Machine Keys

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

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

    Parallel Keys

      Parallel Keys - With Counterbore

        Parallel Keys - With Counterbores and Tapped Hole

          Parallel Keys - With Tapped Hole

            Woodruff Key

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

                New JIS, One-Side Round Key

                  Parallel Keys - Blank

                    Tapered Machine Keys with Gib Head

                      SEIKI Machine Key, Standard Series (JIS B 1301)

                        New JIS Double Square End Key

                          Parallel Keys - Stainless Steel

                            Carbon steel used for KANA standard machine key mechanical structure new JIS B1301(h9)

                              New JIS double-rounded key

                                New JIS Parallel Key

                                  Key material (S45C)

                                    Parallel Keys - With Tapped Counterbore Hole

                                      KANA standard machine key SUS316 New JIS B1301(h9)

                                        Both Ends Round

                                          Both Ends Square

                                            SEIKI Machine Key Series with Release Tap (JIS B 1301)

                                              SEIKI Machine Key, Key Material

                                                Former JIS Parallel Key

                                                  Parallel key both round type (S45C)

                                                    Single Round Key, Made by SEIKI Manufacturing

                                                      Parallel Key Seiki Seisakusho

                                                        Parallel Key Both Round Seiki Seisakusho

                                                          Parallel Key Both Round Himeno Precision Works, Inc.

                                                            Machine Key Set [Inch] EA968ZC-100

                                                              Machine Key Set EA968ZC-130

                                                                Double Square-ended Machine Key EA968ZD-1

                                                                  Double Square-ended Machine Key EA968ZD-10

                                                                    Double Square-ended Machine Key EA968ZD-11

                                                                      Double Square-ended Machine Key EA968ZD-12

                                                                        Double Square-ended Machine Key EA968ZD-13

                                                                          Double Square-ended Machine Key EA968ZD-14

                                                                            Double Square-ended Machine Key EA968ZD-15

                                                                              Double Square-ended Machine Key EA968ZD-16

                                                                                Double Square-ended Machine Key EA968ZD-17

                                                                                  Double Square-ended Machine Key EA968ZD-18

                                                                                    Double Square-ended Machine Key EA968ZD-19

                                                                                      Double Square-ended Machine Key EA968ZD-2

                                                                                        Double Square-ended Machine Key EA968ZD-20

                                                                                          Double Square-ended Machine Key EA968ZD-21

                                                                                            Double Square-ended Machine Key EA968ZD-22

                                                                                            Brand

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            OHKITA

                                                                                            SEIKI

                                                                                            HIMENO PRECISION

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            SEIKI

                                                                                            HIMENO PRECISION

                                                                                            MISUMI

                                                                                            KATAYAMA CHAIN

                                                                                            HIMENO PRECISION

                                                                                            HIMENO PRECISION

                                                                                            TRUSCO NAKAYAMA

                                                                                            MISUMI

                                                                                            KATAYAMA CHAIN

                                                                                            NANKAI INDUSTRY

                                                                                            NANKAI INDUSTRY

                                                                                            SEIKI

                                                                                            SEIKI

                                                                                            HIMENO PRECISION

                                                                                            TRUSCO NAKAYAMA

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            ESCO

                                                                                            Product Series

                                                                                            Parallel Keys

                                                                                            Parallel Keys - With Counterbore

                                                                                            Parallel Keys - With Counterbores and Tapped Hole

                                                                                            Parallel Keys - With Tapped Hole

                                                                                            Woodruff Key

                                                                                            SEIKI Machine Key, Free Length Series (JIS B 1301)【1-10 Pieces Per Package】

                                                                                            New JIS, One-Side Round Key【1-500 Pieces Per Package】

                                                                                            Parallel Keys - Blank

                                                                                            Tapered Machine Keys with Gib Head

                                                                                            SEIKI Machine Key, Standard Series (JIS B 1301)

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

                                                                                            Parallel Keys - Stainless Steel

                                                                                            Carbon steel used for KANA standard machine key mechanical structure new JIS B1301(h9)

                                                                                            New JIS double-rounded key【1-300 Pieces Per Package】

                                                                                            New JIS Parallel Key

                                                                                            Key material (S45C)

                                                                                            Parallel Keys - With Tapped Counterbore Hole

                                                                                            KANA standard machine key SUS316 New JIS B1301(h9)

                                                                                            Both Ends Round【1-500 Pieces Per Package】

                                                                                            Both Ends Square【1-100 Pieces Per Package】

                                                                                            SEIKI Machine Key Series with Release Tap (JIS B 1301)

                                                                                            SEIKI Machine Key, Key Material

                                                                                            Former JIS Parallel Key

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

                                                                                            Single Round Key, Made by SEIKI Manufacturing

                                                                                            Parallel Key Seiki Seisakusho

                                                                                            Parallel Key Both Round Seiki Seisakusho

                                                                                            Parallel Key Both Round Himeno Precision Works, Inc.

                                                                                            Machine Key Set [Inch] EA968ZC-100

                                                                                            Machine Key Set EA968ZC-130

                                                                                            Double Square-ended Machine Key EA968ZD-1

                                                                                            Double Square-ended Machine Key EA968ZD-10

                                                                                            Double Square-ended Machine Key EA968ZD-11

                                                                                            Double Square-ended Machine Key EA968ZD-12

                                                                                            Double Square-ended Machine Key EA968ZD-13

                                                                                            Double Square-ended Machine Key EA968ZD-14

                                                                                            Double Square-ended Machine Key EA968ZD-15

                                                                                            Double Square-ended Machine Key EA968ZD-16

                                                                                            Double Square-ended Machine Key EA968ZD-17

                                                                                            Double Square-ended Machine Key EA968ZD-18

                                                                                            Double Square-ended Machine Key EA968ZD-19

                                                                                            Double Square-ended Machine Key EA968ZD-2

                                                                                            Double Square-ended Machine Key EA968ZD-20

                                                                                            Double Square-ended Machine Key EA968ZD-21

                                                                                            Double Square-ended Machine Key EA968ZD-22

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship Same day or more 8 Day(s) or more 8 Day(s) or more 8 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more Same day or more 8 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 8 Day(s) or more 11 Day(s) or more 6 Day(s) or more 7 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 7 Day(s) or more 7 Day(s) or more 6 Day(s) or more 7 Day(s) or more 7 Day(s) or more 6 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more 8 Day(s) or more 6 Day(s) or more 7 Day(s) or more 7 Day(s) or more 7 Day(s) or more
                                                                                            ShapeParallel 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) / 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)Woodruff KeysParallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Round at One End)Parallel Keys (Straight)Tapered Machine KeysParallel 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) / Parallel Keys (Round at Both Ends)Parallel Keys (Round at Both Ends)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 (Round at Both Ends)Parallel Keys (Round at Both Ends)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 Both Ends)Parallel Keys (Round at One End)Parallel Keys (Straight)Parallel Keys (Round at Both Ends)Parallel Keys (Round at Both Ends)-----------------
                                                                                            Width(mm)2 ~ 328 ~ 188 ~ 185 ~ 183 ~ 102 ~ 363 ~ 323 ~ 184 ~ 382 ~ 143 ~ 282 ~ 143 ~ 184 ~ 322 ~ 563 ~ 368 ~ 183 ~ 124 ~ 144 ~ 145 ~ 122 ~ 144 ~ 503 ~ 123 ~ 554 ~ 203 ~ 5-----------------
                                                                                            Overall Length(mm)5 ~ 30015 ~ 11035 ~ 11010 ~ 120-5 ~ 2508 ~ 18030034 ~ 3235 ~ 10010 ~ 16535010 ~ 608 ~ 21530030015 ~ 11010 ~ 408 ~ 25010 ~ 8010 ~ 1003503008 ~ 808 ~ 201412 ~ 1507 ~ 15-----------------
                                                                                            Hole MachiningStraightCounterbored HoleCenter Tapped + CounterboredCenter TappedStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightCounterbored + TappedStraightStraightStraightCenter TappedStraightStraightStraightStraightStraightStraightStraight-----------------
                                                                                            MaterialSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelSteelSteel / Stainless SteelSteelStainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelStainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelStainless SteelSteel / Stainless SteelSteelStainless SteelSteelSteel / Stainless SteelSteel / Stainless Steel-----------------

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