Woodruff Keys

Woodruff Keys

DIN 6888, ISO 3912

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

Custom-Made Woodruff Keys

We make standard and non-standard woodruff keys which can be made to customer specifications or drawing

Custom-Made Woodruff Keys

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 7/8
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 1
607 3/16 0.370 - 0.375 1 1/8
608 3/16 0.433 - 0.438 7/8
609 3/16 0.479 - 0.484 1
807 1/4 0.370 - 0.375 1 1/8
808 1/4 0.433 - 0.438 1 1/4
809 1/4 0.479 - 0.484 1 1/2
810 1/4 0.542 - 0.547 1
812 1/4 0.636 - 0.641 1 1/8
1008 5/16 0.433 - 0.438 1 1/4
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 0.589 - 0.594 1 1/2

DIN 6888 / ISO 3912 Metric

DIN 6888 / ISO 3912 Metric

Width 'W' Height 'H' Length 'L' Diameter (d2 x 2)
1.5 mm 2.6 mm 6.75 mm 7.0 mm
2 mm 2.6 mm 6.75 mm 7.0 mm
2 mm 3.7 mm 9.66 mm 10.0 mm
2 mm 5.0 mm 12.65 mm 13.0 mm
2.5 mm 3.7 mm 9.66 mm 10.0 mm
3 mm 3.7 mm 9.66 mm 10.0 mm
3 mm 5.0 mm 12.65 mm 13.0 mm
3 mm 6.5 mm 15.72 mm 16.0 mm
4 mm 5.0 mm 12.65 mm 13.0 mm
4 mm 6.5 mm 15.72 mm 16.0 mm
4 mm 7.5 mm 18.57 mm 19.0 mm
5 mm 6.5 mm 15.72 mm 16.0 mm
5 mm 7.5 mm 18.57 mm 19.0 mm
5 mm 9.0 mm 21.63 mm 22.0 mm
5 mm 10.0 mm 24.49 mm 25.0 mm
6 mm 7.5 mm 18.57 mm 19.0 mm
6 mm 9.0 mm 21.63 mm 22.0 mm
6 mm 10.0 mm 24.49 mm 25.0 mm
6 mm 11.0 mm 27.35 mm 28.0 mm
7 mm 10.0 mm 24.49 mm 25.0 mm
8 mm 9.0 mm 21.63 mm 22.0 mm
8 mm 11.0 mm 27.35 mm 28.0 mm
8 mm 13.0 mm 31.43 mm 32.0 mm
10 mm 11.0 mm 27.35 mm 28.0 mm
10 mm 13.0 mm 31.43 mm 32.0 mm
10 mm 16.0 mm 43.08 mm 45.0 mm

Woodruff Key Materials

  • C45k Key Steel
  • Stainless Steel A4

Material Grades

  • Carbon Steel 1018, 1020, 1040, 1045
  • Alloy Steel 4130, 4140, 4142, 4340, 6150, 8620
  • Chrome Moly Steel 25CRMO4, 21CRMOV5-7, 42CRMO4, 42CRMOV4-6
  • Austenitic Stainless Steel 301, 302, 303, 304, 316, 317, 321, 310, 309, 329, 347 & 348
  • Martensitic / Ferritic Stainless Steel 403, 405, 409, 410, 414, 416, 418, 420 & 430F
  • Super Austenitic Stainless Steel 904l, 254-Smo, 253Ma, Alloy 20, Sanicro Alloy 28, Al-6xn, 310Moln, Alloy 230, Alloy 330 , Alloy 333
  • Precipitation Hardening Stainless Steel Alloy A-286, A453 GRADE 660, 17-4 PH, 15-5 Ph , 15-7 Ph, 17-7 Ph
  • Nitronic 50 , 60 ( xm-19), 30, 32, 33, 40
  • Duplex 32205 (F60), 31803 (F51);Super Duplex 32750 ( F53) , 32760 (Zeron 100), (F55), 329, Ferralium 255, 255FG46
  • Inconel 600, 601, 602, 603, 617, 625, 686, 702, 713, 718, 725, 738, 740, 783, X-750, 701, 901, 939
  • Incoloy 800, 800H, 800HT, 825, 925, 926, 945
  • Hastelloy C276, C22,C-2000,C4,B, B2, B3, G30, X, N
  • Monel Alloy 400, K-500, R405
  • Nimonic Alloy 80A, 90, 105, 115, 263
  • Titanium Grade1, 2, 3, 4, 5, 6, 7,8, 9, 11, 12, 19,23
  • Nickel 200, 201
  • Copper Nickel 70/30, 90/10
  • Silicon Bronze C651, C655, C656
  • Cobalt Alloys Invar 36 / 42, Waspalloy, MP35N / 159, Stellite 3/6/12/21, Rene 41, L605
  • Molybdenum Grade 361/363/364/365
  • Durehete 900/950/1055, JETHETE X19/M152, Hiduron 130/190, Tantalum, Zircoloy, Aluminium Alloy 2024, 6061, 7075