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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

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

    Parallel Keys

      Woodruff Key

        Parallel Keys - With Counterbore

          Tapered Machine Keys with Gib Head

            SEIKI Machine Key, Standard Series (JIS B 1301)

              New JIS Parallel Key

                New JIS Double Round End Key

                  New JIS Single Round End Key

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

                      Parallel Keys - Blank

                        Parallel Keys - With Tapped Hole

                          Parallel Keys - With Tapped Counterbore Hole

                            KANA Standard Machine Key SUS316 New JIS B1301 (h9)

                              New JIS Parallel Machine Key

                                Old JIS Parallel Key

                                  Parallel Keys - With Counterbores and Tapped Hole

                                    KANA Standard Machine Key, Carbon Steel for Machinery, New JIS B1301 (h9)

                                      Parallel Keys - Stainless Steel

                                        Both Ends Round

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

                                            Parallel Key Both Round Seiki Seisakusho

                                              Both Ends Square

                                                SEIKI Machine Key, Key Material

                                                  Key material (S45C)

                                                    Parallel key both round type (S45C)

                                                      Single Round Key, Made by SEIKI Manufacturing

                                                        Parallel Key Seiki Seisakusho

                                                          Parallel Key Both Round Himeno Precision Works, Inc.

                                                            Old JIS Head Gradient Key

                                                              New JIS Headed Gradient Key, by Himeno Seisakusho

                                                              Brand

                                                              MISUMI

                                                              OHKITA

                                                              MISUMI

                                                              MISUMI

                                                              SEIKI

                                                              HIMENO PRECISION

                                                              HIMENO PRECISION

                                                              HIMENO PRECISION

                                                              SEIKI

                                                              MISUMI

                                                              MISUMI

                                                              MISUMI

                                                              KATAYAMA CHAIN

                                                              HIMENO PRECISION

                                                              HIMENO PRECISION

                                                              MISUMI

                                                              KATAYAMA CHAIN

                                                              MISUMI

                                                              NANKAI INDUSTRY

                                                              SEIKI

                                                              SUNCO

                                                              NANKAI INDUSTRY

                                                              SEIKI

                                                              TRUSCO NAKAYAMA

                                                              TRUSCO NAKAYAMA

                                                              SUNCO

                                                              SUNCO

                                                              SUNCO

                                                              SUNCO

                                                              SUNCO

                                                              Product Series

                                                              Parallel Keys

                                                              Woodruff Key

                                                              Parallel Keys - With Counterbore

                                                              Tapered Machine Keys with Gib Head

                                                              SEIKI Machine Key, Standard Series (JIS B 1301)

                                                              New JIS Parallel Key

                                                              New JIS Double Round End Key【1-300 Pieces Per Package】

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

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

                                                              Parallel Keys - Blank

                                                              Parallel Keys - With Tapped Hole

                                                              Parallel Keys - With Tapped Counterbore Hole

                                                              KANA Standard Machine Key SUS316 New JIS B1301 (h9)

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

                                                              Old JIS Parallel Key

                                                              Parallel Keys - With Counterbores and Tapped Hole

                                                              KANA Standard Machine Key, Carbon Steel for Machinery, New JIS B1301 (h9)

                                                              Parallel Keys - Stainless Steel

                                                              Both Ends Round【1-500 Pieces Per Package】

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

                                                              Parallel Key Both Round Seiki Seisakusho

                                                              Both Ends Square【1-100 Pieces Per Package】

                                                              SEIKI Machine Key, Key Material

                                                              Key material (S45C)

                                                              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 Himeno Precision Works, Inc.

                                                              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
                                                              • 2D / 3D
                                                              • 2D / 3D
                                                              • 2D / 3D
                                                              • 2D / 3D
                                                              Days to Ship Same day or more 11 Day(s) or more 8 Day(s) or more 8 Day(s) or more 11 Day(s) or more 11 Day(s) or more 7 Day(s) or more 11 Day(s) or more 11 Day(s) or more Same day or more 8 Day(s) or more 8 Day(s) or more 16 Day(s) or more 11 Day(s) or more 11 Day(s) or more 8 Day(s) or more 11 Day(s) or more Same day 11 Day(s) or more 11 Day(s) or more 7 Day(s) or more 12 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 12 Day(s) or more 12 Day(s) or more 12 Day(s) or more 12 Day(s) or more 12 Day(s) or more
                                                              ShapeParallel 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)Tapered Machine KeysParallel Keys (Straight) / Parallel Keys (Round at One End) / 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 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 (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 (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 (Straight)Parallel Keys (Round at Both Ends)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 Both Ends)Parallel Keys (Round at One End)Parallel Keys (Straight)Parallel Keys (Round at Both Ends)Tapered Machine KeysTapered Machine Keys
                                                              Width(mm)2 ~ 323 ~ 108 ~ 184 ~ 382 ~ 142 ~ 564 ~ 323 ~ 322 ~ 363 ~ 185 ~ 188 ~ 183 ~ 123 ~ 284 ~ 508 ~ 183 ~ 182 ~ 144 ~ 145 ~ 124 ~ 204 ~ 142 ~ 143 ~ 363 ~ 123 ~ 553 ~ 515 ~ 2012
                                                              Overall Length(mm)5 ~ 300-15 ~ 11034 ~ 3235 ~ 1003008 ~ 2158 ~ 1805 ~ 25030010 ~ 12015 ~ 11010 ~ 4010 ~ 16530035 ~ 11010 ~ 603508 ~ 25010 ~ 10012 ~ 15010 ~ 803503008 ~ 808 ~ 20147 ~ 15110 ~ 15090
                                                              Hole MachiningStraightStraightCounterbored HoleStraightStraightStraightStraightStraightStraightStraightCenter TappedCounterbored + TappedStraightStraightStraightCenter Tapped + CounterboredStraightStraightStraightCenter TappedStraightStraightStraightStraightStraightStraightStraightStraightStraightStraight
                                                              MaterialSteel / Stainless SteelSteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelStainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelStainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteelStainless SteelSteelSteelStainless SteelSteelSteel / Stainless SteelSteelSteel

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