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.

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  • Parallel (Straight)
  • Parallel (One Side Round)
  • Parallel (Both Sides Round)
  • Tapered Key

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CAD
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Shape
Hole Machining
Width(mm)
Overall Length(mm)
Material

    Parallel Keys - Length Selectable/Configurable

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

        New JIS Double Square End Key

          Rounded Key

            Tapered Machine Keys - Gib Head

            • New Products
            • Precision Cleaning
            • Electrolytic Polishing + Precision Cleaning
            • Degreasing

            [Clean & Pack] Parallel Key

              New JIS, Double-Rounded Key

                Parallel Keys - Standard Length, Width Selectable

                  SEIKI Machine Key - Standard Series (JIS B 1301)

                    Dual Round Key

                      Square Machine Keys

                        Single-End Rounded Machine Key

                          Parallel Keys - Stainless Steel

                            Parallel Key Both Round Seiki Seisakusho

                              Key Material (S45C)

                                New JIS, Parallel Key

                                  Former JIS Parallel Key

                                    Parallel Key Both Round Himeno Precision Works, Inc.

                                      New JIS One-Side Round Key

                                        Parallel Key Stock, New JIS

                                          Both Ends Square

                                            Standard Size Key

                                              Parallel Key Dual Round Type (S45C)

                                                Single Round Key, Made by SEIKI Manufacturing

                                                  Parallel Key Seiki Seisakusho

                                                    SEIKI Machine Key, Key Material

                                                      Parallel Key Stock, Former JIS

                                                      Brand

                                                      MISUMI

                                                      Seiki Works

                                                      Himeno Precision Works

                                                      Ohkita

                                                      MISUMI

                                                      MISUMI

                                                      Himeno Precision Works

                                                      MISUMI

                                                      Seiki Works

                                                      Nankai

                                                      Ohkita

                                                      Ohkita

                                                      MISUMI

                                                      Sunco

                                                      Trusco Nakayama

                                                      Himeno Precision Works

                                                      Himeno Precision Works

                                                      Sunco

                                                      Himeno Precision Works

                                                      Ohkita

                                                      Nankai

                                                      Seiki Works

                                                      Trusco Nakayama

                                                      Sunco

                                                      Sunco

                                                      Seiki Works

                                                      Ohkita

                                                      Product Series

                                                      Parallel Keys - Length Selectable/Configurable

                                                      SEIKI Machine Key, Free Length Series (JIS B 1301)【1-5 Pieces Per Package】

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

                                                      Rounded Key

                                                      Tapered Machine Keys - Gib Head

                                                      [Clean & Pack] Parallel Key

                                                      New JIS, Double-Rounded Key【1-100 Pieces Per Package】

                                                      Parallel Keys - Standard Length, Width Selectable

                                                      SEIKI Machine Key - Standard Series (JIS B 1301)

                                                      Dual Round Key【1-500 Pieces Per Package】

                                                      Square Machine Keys

                                                      Single-End Rounded Machine Key

                                                      Parallel Keys - Stainless Steel

                                                      Parallel Key Both Round Seiki Seisakusho

                                                      Key Material (S45C)

                                                      New JIS, Parallel Key

                                                      Former JIS Parallel Key

                                                      Parallel Key Both Round Himeno Precision Works, Inc.

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

                                                      Parallel Key Stock, New JIS

                                                      Both Ends Square【1-100 Pieces Per Package】

                                                      Standard Size Key【1-2 Pieces Per Package】

                                                      Parallel Key Dual Round Type (S45C)【5-10 Pieces Per Package】

                                                      Single Round Key, Made by SEIKI Manufacturing

                                                      Parallel Key Seiki Seisakusho

                                                      SEIKI Machine Key, Key Material

                                                      Parallel Key Stock, Former JIS

                                                      CAD
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      Days to Ship Same Day

                                                      Stock Items Included

                                                      Same Day

                                                      Stock Items Included

                                                      4 Days 5 Days 5 Days 7 Days 4 Days Same Day

                                                      Stock Items Included

                                                      Same Day

                                                      Stock Items Included

                                                      4 Days 5 Days 5 Days Same Day

                                                      Stock Items Included

                                                      4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 5 Days 5 Days 9 Days 4 Days 4 Days 4 Days 4 Days 5 Days
                                                      Specifications
                                                      • Rapid Design
                                                            • Rapid Design
                                                                          • Rapid Design
                                                                                                      ShapeParallel (One Side Round) / Parallel (Both Sides Round)Parallel (Straight) / Parallel (One Side Round) / Parallel (Both Sides Round)Parallel (Straight)Parallel (Both Sides Round)Tapered KeyParallel (One Side Round) / Parallel (Both Sides Round)Parallel (Both Sides Round)-Parallel (Straight) / Parallel (One Side Round) / Parallel (Both Sides Round)Parallel (Both Sides Round)Parallel (Straight)Parallel (One Side Round)-Parallel (Both Sides Round)Parallel (Straight)Parallel (Straight)Parallel (Straight)Parallel (Both Sides Round)Parallel (One Side Round)Parallel (Straight)Parallel (Straight)Parallel (Straight)Parallel (Both Sides Round)Parallel (One Side Round)Parallel (Straight)Parallel (Straight)Parallel (Straight)
                                                                                                      Hole MachiningStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraightStraight
                                                                                                      Width(mm)2 ~ 322 ~ 323 ~ 253 ~ 284 ~ 382 ~ 184 ~ 283 ~ 182 ~ 144 ~ 143 ~ 283 ~ 282 ~ 144 ~ 203 ~ 362 ~ 564 ~ 503 ~ 53 ~ 283 ~ 564 ~ 14-3 ~ 123 ~ 552 ~ 148 ~ 50
                                                                                                      Overall Length(mm)6 ~ 1105 ~ 25010 ~ 1506 ~ 15034 ~ 3236 ~ 1108 ~ 1503005 ~ 1008 ~ 1506 ~ 1506 ~ 15035012 ~ 1503003003007 ~ 158 ~ 150-10 ~ 80300 ~ 3508 ~ 808 ~ 2014350-
                                                                                                      MaterialSteel / Stainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteelStainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelStainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelSteelSteelSteelStainless SteelSteelStainless SteelSteel / Stainless Steel

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