Keys - Engineers

A tried and tested fixing. Used to convert motor power into utilisable mechanical transmission, keys have such a definite capacity as to make some other shear arrangement necessary within the machine operating system.

Three main categories:

  • Parallel (Feather)
    • DIN 6885A Round both ends (Series 12)
    • DIN 6885B Square both ends (Series 10)
    • DIN 6885AB One round and one square end (Series 11)
  • Gib head (Taper) DIN 6887 (Series 13)
  • Woodruff DIN 6888 (Series 14)


  • Key steel, EN6, EN9, C45K at manufacturers option
  • A4 Stainless steel to order.

Available sizes from:

W x T3/32" x 3/32" to 1" x 7/8"6 x 4mm to 20 x 12mm
Long3/8" to 3"10mm to 160mm

Gib Head
Note: W: width, T: height
W x T3/16" x 3/16" to 1" x 1"8 x 7mm to 50 x 28mm
Long2.1/2" to 8"32mm to 1200mm

Note: T: thickness, D: Diameter of full circle
T1/16" to 3/8"2mm to 10mm
D3/8" to 1.1/2"10mm to 45mm

Key steel is available in convenient lengths and special application sizes are produced to order.

For full specification details please download our product data sheet.