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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
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Brand
Product Series
CAD
Days to Ship
Shape
Environmentally friendly
Width(mm)
Characteristics/Applications
Overall Length(mm)
Material
Hole Machining
Cleaning Method
  • Recommendation

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

  • On Sale Till 31/03/2025

Parallel Keys

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

    • On Sale Till 31/03/2025

    New JIS Double Round End Key

    • On Sale Till 31/03/2025

    New JIS Parallel Key

      Key material (S45C)

        Rounded Key

          SEIKI Machine Key, Standard Series (JIS B 1301)

            Parallel Keys - Blank

              Parallel Keys Semi-Finished

              • On Sale Till 31/03/2025

              New JIS Single Round End Key

                Parallel Keys - Stainless Steel

                  Both Ends Round

                    New JIS Parallel Machine Key

                      Square Machine Keys

                        Tapered Machine Keys with Gib Head

                        • On Sale Till 31/03/2025

                        Old JIS Parallel Key

                          [Clean & Pack] Parallel Key

                            Parallel key both round type (S45C)

                              Woodruff Key

                                Both Ends Square

                                  Standard Size Key

                                    Parallel Key Stock, New JIS

                                      Parallel Key Seiki Seisakusho

                                        New JIS Headed Gradient Key, by Himeno Seisakusho

                                          [Clean & Pack]Parallel Keys - Blank Type, Stainless Steel

                                            SEIKI Machine Key, Key Material

                                              Single Round Key, Made by SEIKI Manufacturing

                                                Parallel Key Both Round Seiki Seisakusho

                                                  Parallel Key Both Round Himeno Precision Works, Inc.

                                                    Old JIS Head Gradient Key

                                                      Parallel Key Stock, Former JIS

                                                        Single-End Rounded Machine Key

                                                        Brand

                                                        MISUMI

                                                        MiSUMi Economy80

                                                        MISUMI

                                                        SEIKI

                                                        HIMENO PRECISION

                                                        HIMENO PRECISION

                                                        TRUSCO NAKAYAMA

                                                        OHKITA

                                                        SEIKI

                                                        MISUMI

                                                        MISUMI

                                                        MiSUMi Economy69

                                                        HIMENO PRECISION

                                                        MISUMI

                                                        NANKAI INDUSTRY

                                                        HIMENO PRECISION

                                                        OHKITA

                                                        MISUMI

                                                        HIMENO PRECISION

                                                        MISUMI

                                                        TRUSCO NAKAYAMA

                                                        OHKITA

                                                        NANKAI INDUSTRY

                                                        SEIKI

                                                        OHKITA

                                                        SUNCO

                                                        SUNCO

                                                        MISUMI

                                                        SEIKI

                                                        SUNCO

                                                        SUNCO

                                                        SUNCO

                                                        SUNCO

                                                        OHKITA

                                                        OHKITA

                                                        Product Series

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

                                                        Parallel Keys

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

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

                                                        New JIS Parallel Key

                                                        Key material (S45C)

                                                        Rounded Key

                                                        SEIKI Machine Key, Standard Series (JIS B 1301)

                                                        Parallel Keys - Blank

                                                        Parallel Keys Semi-Finished

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

                                                        Parallel Keys - Stainless Steel

                                                        Both Ends Round【1-150 Pieces Per Package】

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

                                                        Square Machine Keys

                                                        Tapered Machine Keys with Gib Head

                                                        Old JIS Parallel Key

                                                        [Clean & Pack] Parallel Key

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

                                                        Woodruff Key

                                                        Both Ends Square【1-100 Pieces Per Package】

                                                        Standard Size Key【1-2 Pieces Per Package】

                                                        Parallel Key Stock, New JIS

                                                        Parallel Key Seiki Seisakusho

                                                        New JIS Headed Gradient Key, by Himeno Seisakusho

                                                        [Clean & Pack]Parallel Keys - Blank Type, Stainless Steel

                                                        SEIKI Machine Key, Key Material

                                                        Single Round Key, Made by SEIKI Manufacturing

                                                        Parallel Key Both Round Seiki Seisakusho

                                                        Parallel Key Both Round Himeno Precision Works, Inc.

                                                        Old JIS Head Gradient Key

                                                        Parallel Key Stock, Former JIS

                                                        Single-End Rounded Machine Key

                                                        CAD
                                                        • 2D / 3D
                                                        • 2D / 3D
                                                        • 2D / 3D
                                                        • 2D / 3D
                                                        • 2D / 3D
                                                        • 2D / 3D
                                                        • 2D / 3D
                                                        • 2D / 3D
                                                        Days to Ship Same day or more Same day or more 4 Day(s) or more Same day or more Same day or more 8 Day(s) 8 Day(s) or more Same day or more Same day or more Same day or more Same day or more Same day or more 4 Day(s) or more 4 Day(s) or more 8 Day(s) or more 6 Day(s) or more Same day or more 8 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 13 Day(s) or more 8 Day(s) or more 7 Day(s) or more 7 Day(s) or more 8 Day(s) or more Same day 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 9 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 (Round at Both Ends)Parallel Keys (Straight)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 (Straight)Parallel Keys (Straight)Parallel Keys (Round at One End)Parallel Keys (Straight)Parallel Keys (Round at Both Ends)Parallel Keys (Straight)Parallel Keys (Straight)Tapered Machine KeysParallel Keys (Straight)Parallel Keys (Straight) / Parallel Keys (Round at One End) / Parallel Keys (Round at Both Ends)Parallel Keys (Round at Both Ends)Woodruff KeysParallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Tapered Machine KeysParallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Round at One End)Parallel Keys (Round at Both Ends)Parallel Keys (Round at Both Ends)Tapered Machine KeysParallel Keys (Straight)Parallel Keys (Round at One End)
                                                        Environmentally friendly-----------------RoHS Compliant (10 Substances)-------RoHS Compliant (10 Substances)-------
                                                        Width(mm)2 ~ 122 ~ 322 ~ 254 ~ 282 ~ 563 ~ 363 ~ 362 ~ 143 ~ 185 ~ 123 ~ 282 ~ 144 ~ 143 ~ 253 ~ 364 ~ 384 ~ 502 ~ 183 ~ 123 ~ 104 ~ 143 ~ 223 ~ 565122 ~ 142 ~ 143 ~ 54 ~ 203 ~ 515 ~ 208 ~ 503 ~ 32
                                                        Characteristics/Applications-----------------Clean Washed-------Clean Washed-------
                                                        Overall Length(mm)8 ~ 805 ~ 3005 ~ 1208 ~ 1503003006 ~ 1505 ~ 1003003008 ~ 1503508 ~ 15010 ~ 1506 ~ 15034 ~ 3233006 ~ 1108 ~ 80-10 ~ 80300 ~ 350-14903503508 ~ 2012 ~ 1507 ~ 15110 ~ 150-6 ~ 100
                                                        MaterialSteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelSteelSteel / Stainless SteelStainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteelSteel / Stainless SteelStainless SteelSteelSteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelSteelStainless SteelStainless SteelStainless SteelSteel / Stainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless Steel
                                                        Hole MachiningStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraight
                                                        Cleaning Method-----------------Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning-------Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning-------

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