WOODRUFF KEYS

Woodruff Keys are stocked in C45k key steel, with a minimum tensile strength of 60Kg/mm². Stainless Steel grade A4 is also available to order.  Technifast supply woodruff keys to DIN 6888 / ISO 3912 metric sizes and BS 46 Part 1 imperial sizes.

Please contact us to discuss enquiries for special diameters, lengths or materials and bespoke woodruff keys we can manufacture to drawing.

 

 

Woodruff Keys DIN 6888 (Metric)

Width 'W' Height 'H' Length 'L' Diameter (d2 x 2)
1.5 2.6 6.75 7
2 2.6 6.75 7
2 3.7 9.66 10
2 5 12.65 13
2.5 3.7 9.66 10
3 3.7 9.66 10
3 5 12.65 13
3 6.5 15.72 16
4 5 12.65 13
4 6.5 15.72 16
4 7.5 18.57 19
5 6.5 15.72 16
5 7.5 18.57 19
5 9 21.63 22
5 10 24.49 25
6 7.5 18.57 19
6 9 21.63 22
6 10 24.49 25
6 11 27.35 28
7 10 24.49 25
8 9 21.63 22
8 11 27.35 28
8 13 31.43 32
10 11 27.35 28
10 13 31.43 32
10 13 43.08 45

 

Standards 

  • Woodruff Key DIN 6888 / ISO 3912 (metric)
    Woodruff Key BS 46 Part 1 (imperial)

Materials

  • C45k key steel, with a minimum tensile strength of 60Kg/mm²
  • Stainless Steel grade A4. 

Woodruff Keys: BS 46 Part 1 (Imperial)

Key Number Width 'W' Height 'H' Diameter (d2 x 2)
203 1/16 0.166 - 0.171 3/8
204 1/16 0.198 - 0.203 1/2
303 3/32 0.166 – 0.171 3/8
304 3/32 0.198 – 0.203 1/2
305 3/32 0.245 – 0.250 5/8
403 1/8 0.166 – 0.171 3/8
404 1/8 0.198 – 0.203 1/2
405 1/8 0.245 – 0.250 5/8
406 1/8 0.308 – 0.313 3/4
505 5/32 0.245 – 0.250 5/8
506 5/32 0.308 – 0.313 3/4
507 5/32 0.370 – 0.375 7/8
606 3/16 0.308 – 0.313 3/4
607 3/16 0.370 – 0.375 7/8
608 3/16 0.433 – 0.438 1
609 3/16 0.479 – 0.484 1 1/8
807 1.4 0.370 – 0.375 7/8
808 1/4 0.433 – 0.438
809 1/4 0.479 – 0.484 1 1/8
810 1/4 0.542 – 0.547 1 1/4
812 1/4 0.636 – 0.641 1 1/2
1008 5/16 0.433 – 0.438 1
1009 5/16 0.479 – 0.484 1 1/8
1010 5/16 0.542 – 0.547 1 1/4
1011 5/16 0.589 – 0.594 1 3/8
1012 5/16 0.636 – 0.641 1 1/2
1210 3/8 0.542 – 0.547 1 1/4
1211 3/8 0.589 – 0.594 1 3/8
1212

3/8

0.636 – 0.641 1 1/2