Dual Lock Washers

Dual Lock Washers

Steel/Stainless

WTL1 — Carbon Steel GEOMET® Surface Coating (Stocked from M4-M52.  Please call us for availability on larger diameters.)
WTL2 — 316 (A4) Stainless Steel (call for availability)
WTL3 — 304 (A2) Stainless Steel (call for availability)

*Sold in pairs*

DIN25201 Twin Lock Washer WTL1 - product drawing - d=ID, Do=OD, h=thickness

Tolerances and mechanical specifications comparable to Nord-Lock®, Twin-Lock® and Heico-Lock® brand locking washers.

Washer Size Screw Size d (I.D.) D (O.D.) Carbon Steel Stainless AISI 316 (A4) Stainless AISI 304 (A2)
Pkg. FULLER # h (per pair) Pkg. FULLER # h (per pair) Pkg. FULLER # h (per pair)
min max min max min max min max min max
3.4×7.0 M3 #5 3.3 3.5 6.8 7.2 100 WTL1-003-0000 1.55 2.05 100 WTL2-003-0000 1.95 2.45 100 WTL3-003-0000 1.95 2.45
3.9×7.6 M3.5 #6 3.8 4.0 7.4 7.8 100 WTL1-3.5-0000 1.55 2.05 100 WTL2-3.5-0000 1.95 2.45 100 WTL3-3.5-0000 1.95 2.45
3.9×9.0 3.8 4.0 8.8 9.2 100 WTL1-3.5-0001 1.55 2.05 100 WTL2-3.5-0001 1.95 2.45 100 WTL3-3.5-0001 1.95 2.45
4.4×7.6 M4 #8 4.3 4.5 7.4 7.8 100 WTL1-004-0000 1.55 2.05 100 WTL2-004-0000 1.95 2.45 100 WTL3-004-0000 1.95 2.45
4.4×9.0 4.3 4.5 8.8 9.2 100 WTL1-004-0001 1.55 2.05 100 WTL2-004-0001 1.95 2.45 100 WTL3-004-0001 1.95 2.45
5.4×9.0 M5 #10 5.3 5.5 8.8 9.2 100 WTL1-005-0000 1.55 2.05 100 WTL2-005-0000 1.95 2.45 100 WTL3-005-0000 1.95 2.45
5.4×10.8 5.3 5.5 10.6 11.0 100 WTL1-005-0001 1.55 2.05 100 WTL2-005-0001 1.95 2.45 100 WTL3-005-0001 1.95 2.45
6.5×10.8 M6 6.4 6.6 10.6 11.0 100 WTL1-006-0000 1.55 2.05 100 WTL2-006-0000 1.95 2.45 100 WTL3-006-0000 1.95 2.45
6.5×13.5 6.4 6.6 13.3 13.7 100 WTL1-006-0001 2.25 2.75 100 WTL2-006-0001 1.95 2.45 100 WTL3-006-0001 1.95 2.45
7.2×11.5 1/4″ 7.1 7.3 11.3 11.7 100 WTL1-007-0000 1.55 2.05 100 WTL2-007-0000 1.95 2.45 100 WTL3-007-0000 1.95 2.45
7.2×13.5 7.1 7.3 13.3 13.7 100 WTL1-007-0001 2.25 2.75 100 WTL2-007-0001 1.95 2.45 100 WTL3-007-0001 1.95 2.45
8.7×13.5 M8 5/16″ 8.6 8.8 13.3 13.7 100 WTL1-008-0000 2.25 2.75 100 WTL2-008-0000 1.95 2.45 100 WTL3-008-0000 1.95 2.45
8.7×16.6 8.6 8.8 16.4 16.8 100 WTL1-008-0001 2.25 2.75 100 WTL2-008-0001 1.95 2.45 100 WTL3-008-0001 1.95 2.45
10.3×16.6 3/8″ 10.2 10.4 16.4 16.8 100 WTL1-009-0000 2.25 2.75 100 WTL2-009-0000 1.95 2.45 100 WTL3-009-0000 1.95 2.45
10.3×21.0 10.2 10.4 20.8 21.2 100 WTL1-009-0001 2.25 2.75 100 WTL2-009-0001 1.95 2.45 100 WTL3-009-0001 1.95 2.45
10.7×16.6 M10 10.5 10.9 16.4 16.8 100 WTL1-010-0000 2.25 2.75 100 WTL2-010-0000 1.95 2.45 100 WTL3-010-0000 1.95 2.45
10.7×21.0 10.5 10.9 20.8 21.2 100 WTL1-010-0001 2.25 2.75 100 WTL2-010-0001 1.95 2.45 100 WTL3-010-0001 1.95 2.45
11.4×18.5 M11 7/16″ 11.2 11.6 18.3 18.7 100 WTL1-011-0000 2.25 2.75 100 WTL2-011-0000 1.95 2.45 100 WTL3-011-0000 1.95 2.45
13.0×19.5 M12 12.8 13.2 19.3 19.7 50 WTL1-012-0000 2.25 2.75 50 WTL2-012-0000 1.95 2.45 50 WTL3-012-0000 1.95 2.45
13.0×25.4 12.8 13.2 25.2 25.6 50 WTL1-012-0001 3.15 3.65 50 WTL2-012-0001 2.95 3.45 50 WTL3-012-0001 2.95 3.45
13.5×19.5 1/2″ 13.3 13.7 19.3 19.7 50 WTL1-013-0000 2.25 2.75 50 WTL2-013-0000 1.95 2.45 50 WTL3-013-0000 1.95 2.45
13.5×25.4 13.3 13.7 25.2 25.6 50 WTL1-013-0001 3.15 3.65 50 WTL2-013-0001 2.95 3.45 50 WTL3-013-0001 2.95 3.45
15.2×23.0 M14 9/16″ 15.0 15.4 22.8 23.2 50 WTL1-014-0000 3.15 3.65 50 WTL2-014-0000 2.95 3.45 50 WTL3-014-0000 2.95 3.45
15.2×30.7 15.0 15.4 30.5 30.9 50 WTL1-014-0001 3.15 3.65 50 WTL2-014-0001 2.95 3.45 50 WTL3-014-0001 2.95 3.45
17.0×25.4 M16 5/8″ 16.8 17.2 25.2 25.6 25 WTL1-016-0000 3.15 3.65 25 WTL2-016-0000 2.95 3.45 25 WTL3-016-0000 2.95 3.45
17.0×30.7 16.8 17.2 30.5 30.9 25 WTL1-016-0001 3.15 3.65 25 WTL2-016-0001 2.95 3.45 25 WTL3-016-0001 2.95 3.45
19.5×29.0 M18 19.3 19.7 28.8 29.2 25 WTL1-018-0000 3.15 3.65 25 WTL2-018-0000 2.95 3.45 25 WTL3-018-0000 2.95 3.45
19.5×34.5 19.3 19.7 34.3 34.7 25 WTL1-018-0001 3.15 3.65 25 WTL2-018-0001 2.95 3.45 25 WTL3-018-0001 2.95 3.45
20.0×30.7 3/4″ 19.8 20.2 30.5 30.9 25 WTL1-019-0000 3.15 3.65 25 WTL2-019-0000 2.95 3.45 25 WTL3-019-0000 2.95 3.45
20.0×39.0 19.8 20.2 38.8 39.2 25 WTL1-019-0001 3.15 3.65 25 WTL2-019-0001 2.95 3.45 25 WTL3-019-0001 2.95 3.45
21.4×30.7 M20 21.2 21.6 30.5 30.9 25 WTL1-020-0000 3.15 3.65 25 WTL2-020-0000 2.95 3.45 25 WTL3-020-0000 2.95 3.45
21.4×39.0 21.2 21.6 38.8 39.2 25 WTL1-020-0001 3.15 3.65 25 WTL2-020-0001 2.95 3.45 25 WTL3-020-0001 2.95 3.45
23.4×34.5 M22 7/8″ 23.2 23.6 34.3 34.7 25 WTL1-022-0000 3.15 3.65 25 WTL2-022-0000 2.95 3.45 25 WTL3-022-0000 2.95 3.45
23.4×42.0 23.2 23.6 41.8 42.2 25 WTL1-022-0001 4.35 4.85 25 WTL2-022-0001 2.95 3.45 25 WTL3-022-0001 2.95 3.45
25.3×39.0 M24 25.1 25.5 38.8 39.2 5 WTL1-024-0000 3.15 3.65 5 WTL2-024-0000 2.95 3.45 5 WTL3-024-0000 2.95 3.45
25.3×48.5 25.1 25.5 48.3 48.7 5 WTL1-024-0001 4.35 4.85 5 WTL2-024-0001 2.95 3.45 5 WTL3-024-0001 2.95 3.45
27.9×39.0 1″ 27.7 28.1 38.8 39.2 5 WTL1-025-0000 3.15 3.65 5 WTL2-025-0000 2.95 3.45 5 WTL3-025-0000 2.95 3.45
27.9×48.5 27.7 28.1 48.3 48.7 5 WTL1-025-0001 4.35 4.85 5 WTL2-025-0001 2.95 3.45 5 WTL3-025-0001 2.95 3.45
28.4×42.0 M27 28.2 28.6 41.7 42.3 5 WTL1-027-0000 5.55 6.05 5 WTL2-027-0000 6.3 6.8 5 WTL3-027-0000 6.3 6.8
28.4×48.5 28.2 28.6 48.2 48.8 5 WTL1-027-0001 5.55 6.05 5 WTL2-027-0001 6.3 6.8 5 WTL3-027-0001 6.3 6.8
31.4×47.0 M30 1 1/8″ 31.2 31.6 46.7 47.3 5 WTL1-030-0000 5.55 6.05 5 WTL2-030-0000 6.3 6.8 5 WTL3-030-0000 6.3 6.8
31.4×58.5 31.2 31.6 58.2 58.8 5 WTL1-030-0001 6.35 6.85 5 WTL2-030-0001 6.3 6.8 5 WTL3-030-0001 6.3 6.8
34.4×48.5 M33 1 1/4″ 34.2 34.6 48.2 48.8 5 WTL1-033-0000 5.55 6.05 5 WTL2-033-0000 6.3 6.8 5 WTL3-033-0000 6.3 6.8
34.4×58.5 34.2 34.6 58.2 58.8 5 WTL1-033-0001 6.35 6.85
37.4×55.0 M36 1 3/8″ 37.2 37.6 54.7 55.3 5 WTL1-036-0000 6.35 6.85 5 WTL2-036-0000 6.3 6.8 5 WTL3-036-0000 6.3 6.8
37.4×63.0 37.2 37.6 62.7 63.3 5 WTL1-036-0001 6.35 6.85
40.4×58.5 M39 1 1/2″ 40.2 40.6 58.2 58.8 5 WTL1-039-0000 6.35 6.85 5 WTL2-039-0000 6.3 6.8 5 WTL3-039-0000 6.3 6.8
43.2×63.0 M42 43.0 43.4 62.7 63.3 5 WTL1-042-0000 6.35 6.85 5 WTL2-042-0000 6.3 6.8 5 WTL3-042-0000 6.3 6.8
46.2×70.0 M45 1 3/4″ 46.2 46.7 68.0 70.0 1 WTL1-045-0000 6.25 7.75 1 WTL2-045-0000 8.25 9.75 1 WTL3-045-0000 8.25 9.75
49.6×75.0 M48 49.6 50.1 73.0 75.0 1 WTL1-048-0000 6.25 7.75 1 WTL2-048-0000 8.25 9.75 1 WTL3-048-0000 8.25 9.75
53.6×80.0 M52 2″ 53.6 54.1 78.0 80.0 1 WTL1-052-0000 6.25 7.75 1 WTL2-052-0000 8.25 9.75 1 WTL3-052-0000 8.25 9.75
59.1×85 M56 2 1/4″ 59.1 59.6 83.0 85.0 1 WTL1-056-0000 6.25 7.75 1 WTL2-056-0000 8.25 9.75 1 WTL3-056-0000 8.25 9.75
63.1×90 M60 63.1 63.6 88.0 90.0 1 WTL1-060-0000 6.25 7.75 1 WTL2-060-0000 8.25 9.75 1 WTL3-060-0000 8.25 9.75
67.1×95.0 M64 2 1/2 67.1 67.6 93.0 95.0 1 WTL1-064-0000 6.25 7.75 1 WTL2-064-0000 8.25 9.75 1 WTL3-064-0000 8.25 9.75
71.1×100.0 M68 71.1 71.6 98.0 100 1 WTL1-068-0000 8.75 10.25 1 WTL2-068-0000 8.25 9.75 1 WTL3-068-0000 8.25 9.75
75.1×105 M72 75.1 75.6 103 105 1 WTL1-072-0000 8.75 10.25 1 WTL2-072-0000 8.25 9.75 1 WTL3-072-0000 8.25 9.75
79.1×110.0 M76 3″ 79.1 79.6 108 110 1 WTL1-076-0000 8.75 10.25 1 WTL2-076-0000 8.25 9.75 1 WTL3-076-0000 8.25 9.75
83.1×115.0 M80 83.1 83.6 113 115 1 WTL1-080-0000 8.75 10.25 1 WTL2-080-0000 8.25 9.75 1 WTL3-080-0000 8.25 9.75
88.1×120 M85 88.1 88.6 118 120 1 WTL1-085-0000 8.75 10.25
92.4×130 M90 92.4 92.9 128 130 1 WTL1-090-0000 8.75 10.25
97.4×135 M95 97.4 97.9 133 135 1 WTL1-095-0000 8.75 10.25
103.4×145 M100 103.4 103.9 143 145 1 WTL1-100-0000 8.75 10.25
108.4×150 M105 108.4 108.9 148 150 1 WTL1-105-0000 8.75 10.25
113.4×155 M110 113.4 113.9 153 155 1 WTL1-110-0000 8.75 10.25
118.4×165 M115 118.4 118.9 163 165 1 WTL1-115-0000 8.75 10.25
123.4×170 M120 123.4 123.9 168 170 1 WTL1-120-0000 8.75 10.25
128.4×173 M125 128.4 128.9 171 173 1 WTL1-125-0000 8.75 10.25
133.4×178 M130 133.4 133.9 176 178 1 WTL1-130-0000 8.75 10.25
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