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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Serrated Lock Washers with External Teeth for Screw and Washer Assemblies

DIN 6907 - 1990

Display drawing:

德标DIN 6907 - 1990 DIN6907 6907DIN Serrated Lock Washers with External Teeth for Screw and Washer Assemblies
Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
×

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.
For thread diameter
M2.5 M3 M3.5 M4 M5 M6 (M7) ① M8 M10
d min=nominal size
max
dc max=nominal size
min
t Nominal Size
max
min
Number of Teeth min
per 1000 units≈kg
2.25 2.7 3.2 3.6 4.55 5.5 6.5 7.4 9.3
2.35 2.8 3.32 3.72 4.67 5.62 6.65 7.55 9.45
5.5 6 7 8 9 11 12.5 14 18
5.32 5.82 6.78 7.78 8.78 10.73 12.230 13.73 17.73
0.4 0.4 0.5 0.5 0.6 0.7 0.8 0.8 0.9
0.44 0.44 0.54 0.54 0.65 0.75 0.85 0.85 0.95
0.36 0.36 0.46 0.46 0.55 0.65 0.75 0.75 0.85
9 9 10 11 11 12 14 14 16
0.06 0.07 0.12 0.16 0.22 0.39 0.5 0.70 1.32
①,For replacement and maintenance purposes
②,Serrated lock washers shall be made of spring steel (FSt) as specified in DIN 17221 or DIN 17222, the grade being at the manufacturer's discretion.
③,Spring steel shall be hardened to 350 to 425 HV 10.
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52 Serrated Lock Washers External Teeth [GB]
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GB 862.1 - 1987 		Lock Washers External Teeth
54 Serrated Lock Washers Internal Teeth [GB]
GB 861.2 - 1987 		Serrated Lock Washers Internal Teeth
55 Lock Washers Internal Teeth [GB]
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56 Lountersunk External Toothed Lock Washer for Assembly [GB]
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57 Toothed Lock Washers - Type V, Countersunk with External Teeth [DIN]
DIN 6797 (V) - 1988 		Toothed Lock Washers - Type V, Countersunk with External Teeth
58 Heavy Internal Tooth-Lock Washers (SAE J403, J405, ASTM B591) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Heavy Internal Tooth-Lock Washers (SAE J403, J405, ASTM B591)
59 lnternal Tooth-Lock Washers (SAE J403, J405, ASTM B591) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		lnternal Tooth-Lock Washers (SAE J403, J405, ASTM B591)
60 Metric Heavy Internal Tooth Lock Washers [IFI]
IFI 532 (T2) - 1982 		Metric Heavy Internal Tooth Lock Washers
61 Metric Countersunk External Tooth Lock Washers [IFI]
IFI 532 (T4) - 1982 		Metric Countersunk External Tooth Lock Washers
62 Metric External Tooth Lock Washers [IFI]
IFI 532 (T3) - 1982 		Metric External Tooth Lock Washers
63 Metric External-internal Tooth Lock Washers [IFI]
IFI 532 (T5) - 1982 		Metric External-internal Tooth Lock Washers
64 Metric Internal Tooth Lock Washers [IFI]
IFI 532 (T1) - 1982 		Metric Internal Tooth Lock Washers
65 Toothed Lock Washers with Countersunk - Type V [DIN]
DIN 6798 (V) - 1988 		Toothed Lock Washers with Countersunk - Type V
66 Serrated Lock Washer External Teeth for Assembly [GB]
GB 9074.27 - 1988 		Serrated Lock Washer External Teeth for Assembly
67 Countersunk External Serrated Lock Washers - Form V [UNI]
UNI 8842 (V) - 1985 		Countersunk External Serrated Lock Washers - Form V
68 Internal Serrated Lock Washers - Form J [UNI]
UNI 8842 (J) - 1985 		Internal Serrated Lock Washers - Form J
69 External Serrated Lock Washers - Form A [UNI]
UNI 8842 (A) - 1985 		External Serrated Lock Washers - Form A
70 Countersunk External Toothed Lock Washers - Form V [UNI]
UNI 8841 (V) - 1985 		Countersunk External Toothed Lock Washers - Form V
71 Internal Toothed Lock Washers - Form J [UNI]
UNI 8841 (J) - 1985 		Internal Toothed Lock Washers - Form J
72 External Toothed Lock Washers - Form A [UNI]
UNI 8841 (A) - 1985 		External Toothed Lock Washers - Form A
73 Countersunk External Toothed Lock Washers [CNS]
CNS 4402 (V) - 1978 		Countersunk External Toothed Lock Washers
74 Lock Washer External Teeth [CNS]
CNS 4402 (A) - 1978 		Lock Washer External Teeth