• Suggested angle or mating component is 80-82 deg.
  • Washer sizes are intended for use with comparable nominal screw sizes.
  • For reference purposes only; not subject to inspection.
Standard Stock Material
  • Carbon Steel
  • Stainless Steel
  • Phosphorus Bronze
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Unit of Measure
Items
Countersunk External Tooth Lock Washers

Countersunk External Tooth Lock Washer, 0.123" I.D.
Countersunk External Tooth Lock Washers

Countersunk External Tooth Lock Washer, 0.150" I.D.
Countersunk External Tooth Lock Washers

Countersunk External Tooth Lock Washer, 0.177" I.D.
Countersunk External Tooth Lock Washers

Countersunk External Tooth Lock Washer, 0.205" I.D.
Countersunk External Tooth Lock Washers

Countersunk External Tooth Lock Washer, 0.231" I.D.
Manufacturer N/A Industrial Fasteners Institute
Product N/A Washers
Codes and Standards N/A ASME B18.21.1 1999
Unit of Measure N/A English
Nominal Washer Size N/A No. 4 N/A No. 6 N/A No. 8 N/A No. 10 N/A No. 12
Nominal Washer Size (Decimal) N/A 0.1120 in N/A 0.1380 in N/A 0.1640 in N/A 0.1900 in N/A 0.2160 in
Max. Inside Diameter (A) N/A 0.123 in N/A 0.150 in N/A 0.177 in N/A 0.205 in N/A 0.231 in
Min. Inside Diameter (A) N/A 0.113 in N/A 0.140 in N/A 0.167 in N/A 0.195 in N/A 0.220 in
Ref. Outside Diameter (B) N/A 0.213 in N/A 0.289 in N/A 0.322 in N/A 0.354 in N/A 0.421 in
Max. Thickness (C) N/A 0.019 in N/A 0.021 in N/A 0.021 in N/A 0.025 in N/A 0.025 in
Min. Thickness (C) N/A 0.015 in N/A 0.017 in N/A 0.017 in N/A 0.020 in N/A 0.020 in
Max. Length (D) N/A 0.065 in N/A 0.092 in N/A 0.099 in N/A 0.105 in N/A 0.128 in
Min. Length (D) N/A 0.050 in N/A 0.082 in N/A 0.083 in N/A 0.088 in N/A 0.113 in
Material N/A Carbon Steel Phosphorus Bronze Stainless Steel
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