Print Back
All dimensions are in inches.

Standard Stock Material
  • Carbon Steel
  • Stainless Steel
  • Phosphorus Bronze
Lock Washer Type B
Unit of Measure
Items Lock Washer Type B
IETLW-B4-.475
Type B Internal-External Tooth Lock Washer, 0.475" O.D.
Lock Washer Type B
IETLW-B4-.510
Type B Internal-External Tooth Lock Washer, 0.510" O.D.
Lock Washer Type B
IETLW-B4-.610
Type B Internal-External Tooth Lock Washer, 0.610" O.D.
Lock Washer Type B
IETLW-B6-.510
Type B Internal-External Tooth Lock Washer, 0.510" O.D.
Lock Washer Type B
IETLW-B6-.610
Type B Internal-External Tooth Lock Washer, 0.610" O.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. 4 N/A No. 4 N/A No. 6 N/A No. 6
Nominal Washer Size (Decimal) N/A 0.1120 in N/A 0.1120 in N/A 0.1120 in N/A 0.1380 in N/A 0.1380 in
Max. (A) N/A 0.123 in N/A 0.123 in N/A 0.123 in N/A 0.150 in N/A 0.150 in
Min. (A) N/A 0.115 in N/A 0.115 in N/A 0.115 in N/A 0.141 in N/A 0.141 in
Max. (B) N/A 0.475 in N/A 0.510 in N/A 0.610 in N/A 0.510 in N/A 0.610 in
Min. (B) N/A 0.460 in N/A 0.495 in N/A 0.580 in N/A 0.495 in N/A 0.580 in
Max. (C) N/A 0.021 in N/A 0.021 in N/A 0.021 in N/A 0.028 in N/A 0.028 in
Min. (C) N/A 0.016 in N/A 0.017 in N/A 0.017 in N/A 0.023 in N/A 0.023 in
Material N/A Carbon Steel Phosphorus Bronze Stainless Steel