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Same specifications, different dimensions for other parts.

Unit:mm

Drive Type Fastenings Without Taper Action,Woodruff Keys

DIN 6888 - 2022

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德标DIN 6888 - 2022 DIN6888 6888DIN Drive Type Fastenings Without Taper Action,Woodruff Keys
Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
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Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Normal size
b
1 1.5 2 2 2.5 3 3 3 4 4 4 5
b max
min
k max=nominal size
min
d1 max=nominal size
min
d Allocation I ①
II ①
L ≈
per 1000 units≈kg
1 1.5 2 2 2.5 3 3 3 4 4 4 5
0.975 1.475 1.975 1.975 2.475 2.975 2.975 2.975 3.97 3.97 3.97 4.97
1.4 2.6 2.6 3.7 3.7 3.7 5 6.5 5 6.5 7.5 6.5
1.3 2.5 2.5 3.58 3.58 3.58 4.88 6.35 4.88 6.35 7.35 6.35
4 7 7 10 10 10 13 16 13 16 19 16
3.9 6.9 6.9 9.9 9.9 9.9 12.9 15.9 12.9 15.9 18.9 15.9
3~4 ＞4~6 ＞6~8 ＞6~8 ＞8~10 ＞8~10 ＞8~10 / ＞10~12 ＞10~12 / ＞12~17
6~8 ＞8~10 ＞10~12 ＞10~12 ＞12~17 ＞12~17 ＞12~17 ＞12~17 ＞17~22 ＞17~22 ＞17~22 ＞22~30
3.82 6.76 6.76 9.66 9.66 9.66 12.56 15.72 12.65 15.72 18.57 15.72
0.031 0.153 0.204 0.414 0.518 0.622 1.1 1.8 1.47 2.4 3.27 3.01
Normal size
b
5 5 6 6 6 6 8 8 8 10 10 10
b max
min
k max=nominal size
min
d1 max=nominal size
min
d Allocation I ①
II ①
L ≈
per 1000 units≈kg
5 5 6 6 6 6 8 8 8 10 10 10
4.97 4.97 5.97 5.97 5.97 5.97 7.964 7.964 7.964 9.964 9.964 9.964
7.5 9 7.5 9 10 11 9 11 13 11 13 16
7.35 8.85 7.35 8.85 9.85 10.82 8.85 10.82 12.82 10.82 12.82 15.82
19 22 19 22 25 28 22 28 32 28 32 45
18.9 21.9 18.9 21.9 24.8 27.8 21.9 27.8 31.8 27.8 31.8 44.8
＞12~17 / ＞17~22 ＞17~22 ＞17~22 / ＞22~30 ＞22~30 / ＞30~38 ＞30~38 /
＞22~30 ＞22~30 ＞30~38 ＞30~38 ＞30~38 ＞30~38 38 38 38 38 38 38
18.57 21.63 18.57 21.63 24.49 27.35 21.63 27.35 31.43 27.35 31.43 43.08
4.09 5.73 4.91 6.88 8.64 10.6 9.17 14.1 19.3 17.6 24.1 39.9
①,Allocation I applies in all cases where the Woodruff key is used in the role of the parallel key, i.e. to transmit the whole of the torque. Allocation II applies in all cases where the Woodruff key is used solely  for positioning the driving element and where other elements, e.g. cross wedge or taper, are used to transmit the torque. 

Alternative history

DIN 6888 - 1956 DIN 6888 - 2022
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Similar Standards

1 Woodruff key [ASME]
ASME B 17.2 (T2) - 1967 (R2013) 		Woodruff key
2 Woodruff keys-Full radius type [ASME/ANSI]
ASME/ANSI B 18.25.2M - 1996 (R2008) 		Woodruff keys-Full radius type
3 Woodruff key [ASME]
ASME B 17.2 (T1) - 1967 (R2013) 		Woodruff key
4 Woodruff Keys And Keyways [ISO]
ISO 3912 - 1977 		Woodruff Keys And Keyways
5 Drive Type Fastenings Without Taper Action,Woodruff Keys [DIN]
DIN 6888 - 1956 		Drive Type Fastenings Without Taper Action,Woodruff Keys
6 Woodruff keys-Flat bottom keys [ASME/ANSI]
ASME/ANSI B 18.25.2M - 1996 (R2008) 		Woodruff keys-Flat bottom keys
7 Woodruff key [GB]
GB /T 1099 - 1990 		Woodruff key
8 Woodruff Key-Normal Form [GB]
GB /T 1099.1 - 2003 		Woodruff Key-Normal Form
9 Metric Woodruff Keys [BS]
BS 4235-2 - 1997 		Metric Woodruff Keys
10 Woodruff Key [UNI]
UNI 6606 		Woodruff Key