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Machine Keys(Shape:Parallel Keys (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
Width(mm)
Overall Length(mm)
Material
Hole Machining
  • Recommendation

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

  • Recommendation

Parallel Keys With Center Counterbored Hole

  • On Sale Till 31/03/2025

Parallel Keys

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

      Parallel Keys  With Counterbores and Tapped Hole

        Parallel Keys - With Counterbores and Tapped Hole

          Parallel Keys - With Counterbore

            Parallel Keys - With Tapped Hole

              Parallel Keys - Stainless Steel

                SEIKI Machine Key, Standard Series (JIS B 1301)

                  Parallel Key Stock, New JIS

                    Parallel Keys - Blank

                      Parallel Keys With Tapped Hole

                        Parallel Keys Semi-Finished

                          New JIS Parallel Machine Key

                          • On Sale Till 31/03/2025

                          New JIS Parallel Key

                            Parallel Keys - With Tapped Counterbore Hole

                              Key material (S45C)

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

                                  Square Machine Keys

                                    Both Ends Square

                                    • On Sale Till 31/03/2025

                                    Old JIS Parallel Key

                                      Parallel Key Seiki Seisakusho

                                        Parallel Keys With Tapped Counterbored Hole

                                          Parallel Key Stock, Former JIS

                                            SEIKI Machine Key, Key Material

                                              Standard Size Key

                                              Brand

                                              MISUMI

                                              MiSUMi Economy80

                                              MISUMI

                                              MiSUMi Economy80

                                              MISUMI

                                              SEIKI

                                              MISUMI

                                              MiSUMi Economy76

                                              MISUMI

                                              MISUMI

                                              MISUMI

                                              MISUMI

                                              SEIKI

                                              OHKITA

                                              MISUMI

                                              MISUMI

                                              MiSUMi Economy73

                                              MISUMI

                                              MiSUMi Economy69

                                              HIMENO PRECISION

                                              HIMENO PRECISION

                                              MISUMI

                                              TRUSCO NAKAYAMA

                                              SEIKI

                                              OHKITA

                                              NANKAI INDUSTRY

                                              HIMENO PRECISION

                                              SUNCO

                                              MISUMI

                                              MiSUMi Economy80

                                              OHKITA

                                              SEIKI

                                              SEIKI

                                              Product Series

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

                                              Parallel Keys With Center Counterbored Hole

                                              Parallel Keys

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

                                              Parallel Keys With Counterbores and Tapped Hole

                                              Parallel Keys - With Counterbores and Tapped Hole

                                              Parallel Keys - With Counterbore

                                              Parallel Keys - With Tapped Hole

                                              Parallel Keys - Stainless Steel

                                              SEIKI Machine Key, Standard Series (JIS B 1301)

                                              Parallel Key Stock, New JIS

                                              Parallel Keys - Blank

                                              Parallel Keys With Tapped Hole

                                              Parallel Keys Semi-Finished

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

                                              New JIS Parallel Key

                                              Parallel Keys - With Tapped Counterbore Hole

                                              Key material (S45C)

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

                                              Square Machine Keys

                                              Both Ends Square【1-100 Pieces Per Package】

                                              Old JIS Parallel Key

                                              Parallel Key Seiki Seisakusho

                                              Parallel Keys With Tapped Counterbored Hole

                                              Parallel Key Stock, Former JIS

                                              SEIKI Machine Key, Key Material

                                              Standard Size Key【1-2 Pieces Per Package】

                                              CAD
                                              • 2D / 3D
                                              • 2D / 3D
                                              • 2D / 3D
                                              • 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 Same day Same day or more 4 Day(s) or more 5 Day(s) 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more Same day or more Same day or more 8 Day(s) or more Same day or more Same day Same day or more 4 Day(s) or more Same day or more 5 Day(s) or more 8 Day(s) 8 Day(s) or more 8 Day(s) or more 4 Day(s) or more Same day or more 7 Day(s) or more 5 Day(s) 8 Day(s) or more Same day or more 13 Day(s) or more
                                              ShapeParallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)Parallel Keys (Straight)
                                              Width(mm)2 ~ 682 ~ 322 ~ 1288 ~ 188 ~ 185 ~ 182 ~ 142 ~ 143 ~ 563 ~ 1855 ~ 123 ~ 252 ~ 568 ~ 183 ~ 365 ~ 123 ~ 364 ~ 144 ~ 505128 ~ 502 ~ 143 ~ 22
                                              Overall Length(mm)8 ~ 20205 ~ 3005 ~ 1207035 ~ 11015 ~ 11010 ~ 1103505 ~ 100-3002030010 ~ 15030015 ~ 11030010 ~ 1006 ~ 15010 ~ 803001425-350300 ~ 350
                                              MaterialSteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteel / Stainless SteelStainless SteelSteel / Stainless SteelSteel / Stainless SteelSteelSteelSteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteel / Stainless SteelSteelSteel / Stainless SteelSteelSteelSteel / Stainless SteelStainless SteelSteel / Stainless Steel
                                              Hole MachiningStraightCounterbored HoleStraightStraightCounterbored + TappedCenter Tapped + CounterboredCounterbored HoleCenter TappedStraightStraightStraightStraightCenter TappedStraightStraightStraightCounterbored + TappedStraightCenter TappedStraightStraightStraightStraightCounterbored + TappedStraightStraightStraight

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