Tel:+(86)150-3002-9626
Email: wins@keqifastener.com
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Chinese 
Tel:+(86)150-3002-9626
Email: wins@keqifastener.com
Double fold self-locking washer Wedge locking washers are generally installed under the nut to prevent the nut from loosening. Widely used in electrical connections on household and commercial appliances. High quality 65Mn,good corrosion resistance.
Double fold self-locking washer
Wedge locking washers are generally installed under the nut to prevent the nut from loosening.
Widely used in electrical connections on household and commercial appliances.
High quality 65Mn,good corrosion resistance.
All the small parts are packed in a transparent plastic box with compartments,which is convenient to carry,store or reuse as a backup kit
Material: Stainless steel, carbon steel .
| Size | 3 | 3.5 | 3.5 | 4 | 4 | 5 | 5 | 6 | 6 | 1/4 ① | 1/4 | 8 | 8 | 3/8 ① | ||||
| Large ② | Large ② | Large ② | Large ② | Large ① ② | Large ② | |||||||||||||
| Bolt size | Metric | M3 | M3.5 | M3.5 | M4 | M4 | M5 | M5 | M6 | M6 | – | – | M8 | M8 | – | |||
| Inch | #5 | #6 | #6 | #8 | #8 | #10 | #10 | – | – | 1/4” | 1/4” | 5/16” | 5/16” | 3/8” | ||||
| d | max | 3.5 | 4 | 4 | 4.5 | 4.5 | 5.5 | 5.5 | 6.6 | 6.6 | 7.3 | 7.3 | 8.8 | 8.8 | 10.5 | |||
| min | 3.3 | 3.8 | 3.8 | 4.3 | 4.3 | 5.3 | 5.3 | 6.4 | 6.4 | 7.1 | 7.1 | 8.6 | 8.6 | 10.1 | ||||
| dc | Nominal Size | 7 | 7.6 | 9 | 7.6 | 9 | 9 | 10.8 | 10.8 | 13.5 | 11.5 | 13.5 | 13.5 | 16.6 | 16.6 | |||
| max | 7.2 | 7.8 | 9.2 | 7.8 | 9.2 | 9.2 | 11 | 11 | 13.7 | 11.7 | 13.7 | 13.7 | 16.8 | 16.8 | ||||
| min | 6.8 | 7.4 | 8.8 | 7.4 | 8.8 | 8.8 | 10.6 | 10.6 | 13.3 | 11.3 | 13.3 | 13.3 | 16.4 | 16.4 | ||||
| h | Steel | Nominal Size | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | ||
| max | 2.05 | 2.05 | 2.05 | 2.05 | 2.05 | 2.05 | 2.05 | 2.05 | 2.75 | 2.75 | 2.75 | 2.75 | 2.75 | 2.75 | ||||
| min | 1.55 | 1.55 | 1.55 | 1.55 | 1.55 | 1.55 | 1.55 | 1.55 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | ||||
| per 1000 units≈kg ③ | Steel | ≈ | 0.3 | 0.4 | 0.6 | 0.4 | 0.6 | 0.5 | 1.1 | 0.7 | 2 | 0.8 | 1.8 | 1.5 | 2.8 | 2.3 | ||
| h | Stainless Steel | Nominal Size | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2 | 2.2 | 2.2 | 2 | 2 | 2 | ||
| max | 2.45 | 2.45 | 2.45 | 2.45 | 2.45 | 2.45 | 2.45 | 2.45 | 2.25 | 2.45 | 2.45 | 2.25 | 2.25 | 2.25 | ||||
| min | 1.95 | 1.95 | 1.95 | 1.95 | 1.95 | 1.95 | 1.95 | 1.95 | 1.75 | 1.95 | 1.95 | 1.75 | 1.75 | 1.75 | ||||
| per 1000 units≈kg ③ | Stainless Steel | ≈ | 0.4 | 0.4 | 0.7 | 0.4 | 0.7 | 0.6 | 1.1 | 0.9 | 1.6 | 0.9 | 1.5 | 1.2 | 2.3 | 1.9 | ||
| Size | 3/8 | 10 | 10 | 11 | 12 | 12 | 1/2 ① | 1/2 | 14 | 14 | 16 | 16 | 18 | 18 | ||||
| Large ① ② | Large ② | Large ② | Large ① ② | Large ② | Large ② | Large ② | ||||||||||||
| Bolt size | Metric | – | M10 | M10 | M11 | M12 | M12 | – | – | M14 | M14 | M16 | M16 | M18 | M18 | |||
| Inch | 3/8” | – | – | 7/16” | – | – | 1/2” | 1/2” | 9/16” | 9/16” | 5/8” | 5/8” | – | – | ||||
| d | max | 10.5 | 10.9 | 10.9 | 11.6 | 13.2 | 13.2 | 13.7 | 13.7 | 15.4 | 15.4 | 17.2 | 17.2 | 19.7 | 19.7 | |||
| min | 10.1 | 10.5 | 10.5 | 11.2 | 12.8 | 12.8 | 13.3 | 13.3 | 15 | 15 | 16.8 | 16.8 | 19.3 | 19.3 | ||||
| dc | Nominal Size | 21 | 16.6 | 21 | 18.5 | 19.5 | 25.4 | 19.5 | 25.4 | 23 | 30.7 | 25.4 | 30.7 | 29 | 34.5 | |||
| max | 21.2 | 16.8 | 21.2 | 18.7 | 19.7 | 25.6 | 19.7 | 25.6 | 23.2 | 30.9 | 25.6 | 30.9 | 29.2 | 34.7 | ||||
| min | 20.8 | 16.4 | 20.8 | 18.3 | 19.3 | 25.2 | 19.3 | 25.2 | 22.8 | 30.5 | 25.2 | 30.5 | 28.8 | 34.3 | ||||
| h | Steel | Nominal Size | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3.4 | 2.5 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | ||
| max | 2.75 | 2.75 | 2.75 | 2.75 | 2.75 | 3.65 | 2.75 | 3.65 | 3.65 | 3.65 | 3.65 | 3.65 | 3.65 | 3.65 | ||||
| min | 2.25 | 2.25 | 2.25 | 2.25 | 2.25 | 3.15 | 2.25 | 3.15 | 3.15 | 3.15 | 3.15 | 3.15 | 3.15 | 3.15 | ||||
| per 1000 units≈kg ③ | Steel | ≈ | 4.8 | 2.2 | 4.7 | 2.9 | 2.9 | 9.3 | 2.7 | 9 | 5.6 | 14.1 | 6.7 | 12.8 | 8.9 | 15.8 | ||
| h | Stainless Steel | Nominal Size | 2 | 2 | 2 | 2.2 | 2 | 3 | 2 | 3.2 | 3 | 3.2 | 3 | 3.2 | 3.2 | 3.2 | ||
| max | 2.25 | 2.25 | 2.25 | 2.45 | 2.25 | 3.25 | 2.25 | 3.45 | 3.25 | 3.45 | 3.25 | 3.45 | 3.45 | 3.45 | ||||
| min | 1.75 | 1.75 | 1.75 | 1.95 | 1.75 | 2.75 | 1.75 | 2.95 | 2.75 | 2.95 | 2.75 | 2.95 | 2.95 | 2.95 | ||||
| per 1000 units≈kg ③ | Stainless Steel | ≈ | 3.8 | 1.8 | 3.7 | 2.6 | 2.3 | 8.2 | 2.2 | 8 | 4.9 | 13.1 | 5.9 | 11.3 | 8 | 15.6 | ||
| Size | 3/4 ① | 3/4 | 20 | 20 | 22 | 22 | 24 | 24 | 1 ① | 1 | 27 | 27 | 30 | 30 | ||||
| Large ① ② | Large ② | Large ② | Large ② | Large ① ② | Large ② | Large ② | ||||||||||||
| Bolt size | Metric | – | – | M20 | M20 | M22 | M22 | M24 | M24 | – | – | M27 | M27 | M30 | M30 | |||
| Inch | 3/4” | 3/4” | – | – | 7/8” | 7/8” | – | – | 1” | 1” | – | – | 1 1/8” | 1 1/8” | ||||
| d | max | 20.2 | 20.2 | 21.6 | 21.6 | 23.6 | 23.6 | 25.5 | 25.5 | 28.1 | 28.1 | 28.6 | 28.6 | 31.6 | 31.6 | |||
| min | 19.8 | 19.8 | 21.2 | 21.2 | 23.2 | 23.2 | 25.1 | 25.1 | 27.7 | 27.7 | 28.2 | 28.2 | 31.2 | 31.2 | ||||
| dc | Nominal Size | 30.7 | 39 | 30.7 | 39 | 34.5 | 42 | 39 | 48.5 | 39 | 48.5 | 42 | 48.5 | 47 | 58.5 | |||
| max | 30.9 | 39.2 | 30.9 | 39.2 | 34.7 | 42.2 | 39.2 | 48.7 | 39.3 | 48.8 | 42.3 | 48.8 | 47.3 | 58.8 | ||||
| min | 30.5 | 38.8 | 30.5 | 38.8 | 34.3 | 41.8 | 38.8 | 48.3 | 38.7 | 48.2 | 41.7 | 48.2 | 46.7 | 58.2 | ||||
| h | Steel | Nominal Size | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 4.6 | 3.4 | 4.6 | 3.4 | 4.6 | 5.8 | 5.8 | 5.8 | 6.6 | ||
| max | 3.65 | 3.65 | 3.65 | 3.65 | 3.65 | 4.85 | 3.65 | 4.85 | 3.65 | 4.85 | 6.05 | 6.05 | 6.05 | 6.6 | ||||
| min | 3.15 | 3.15 | 3.15 | 3.15 | 3.15 | 4.35 | 3.15 | 4.35 | 3.15 | 4.35 | 5.55 | 5.55 | 5.55 | 6.1 | ||||
| per 1000 units≈kg ③ | Steel | ≈ | 10.5 | 22.1 | 9.3 | 20.9 | 12.5 | 31.9 | 17.4 | 45.1 | 15.3 | 42 | 31.4 | 52.7 | 41 | 85.8 | ||
| h | Stainless Steel | Nominal Size | 3.2 | 3.2 | 3 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 6.8 | 6.8 | 6.8 | 6.8 | ||
| max | 3.45 | 3.45 | 3.25 | 3.45 | 3.45 | 3.45 | 3.45 | 3.45 | 3.2 | 3.2 | 6.8 | 6.8 | 6.8 | 6.8 | ||||
| min | 2.95 | 2.95 | 2.75 | 2.95 | 2.95 | 2.95 | 2.95 | 2.95 | 2.7 | 2.7 | 6.3 | 6.3 | 6.3 | 6.3 | ||||
| per 1000 units≈kg ③ | Stainless Steel | ≈ | 9.6 | 21 | 8.2 | 20.6 | 12.3 | 22.2 | 15.9 | 35 | 14.2 | 27.9 | 34.5 | 53.4 | 44.9 | 91.8 | ||
| Size | 33 | 33 | 36 | 36 | 39 | 42 | 45 | 48 | 52 | 56 | 60 | 64 | 68 | 72 | ||||
| Large ② | Large ② | |||||||||||||||||
| Bolt size | Metric | M33 | M33 | M36 | M36 | M39 | M42 | M45 | M48 | M52 | M56 | M60 | M64 | M68 | M72 | |||
| Inch | 1 1/4” | 1 1/4” | 1 3/8” | 1 3/8” | 1 1/2” | – | 1 3/4” | – | 2” | 2 1/4” | – | 2 1/2” | – | – | ||||
| d | max | 34.6 | 34.6 | 37.6 | 37.6 | 40.6 | 43.4 | 46.7 | 50.1 | 54.1 | 59.6 | 63.6 | 67.6 | 71.6 | 75.6 | |||
| min | 34.2 | 34.2 | 37.2 | 37.2 | 40.2 | 43 | 46.2 | 49.6 | 53.6 | 59.1 | 63.1 | 67.1 | 71.1 | 75.1 | ||||
| dc | Nominal Size | 48.5 | 58.5 | 55 | 63 | 58.5 | 63 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | |||
| max | 48.8 | 58.8 | 55.3 | 63.3 | 58.8 | 63.3 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | ||||
| min | 48.2 | 58.2 | 54.7 | 62.7 | 58.2 | 62.7 | 68 | 73 | 78 | 83 | 88 | 93 | 98 | 103 | ||||
| h | Steel | Nominal Size | 5.8 | 6.6 | 5.8 | 6.6 | 5.8 | 5.8 | 7 | 7 | 7 | 7 | 7 | 7 | 9.5 | 9.5 | ||
| max | 6.05 | 6.6 | 6.05 | 6.6 | 6.05 | 6.05 | 7.75 | 7.75 | 7.75 | 7.75 | 7.75 | 7.75 | 10.25 | 10.25 | ||||
| min | 5.55 | 6.1 | 5.55 | 6.1 | 5.55 | 5.55 | 6.25 | 6.25 | 6.25 | 6.25 | 6.25 | 6.25 | 8.75 | 8.75 | ||||
| per 1000 units≈kg ③ | Steel | ≈ | 38.9 | 80 | 54.9 | 91.5 | 58.9 | 79.7 | 102 | 120 | 130 | 135 | 152 | 167 | 282 | 307 | ||
| h | Stainless Steel | Nominal Size | 6.8 | / | 6.8 | / | 6.8 | 6.8 | 6.8 | 6.8 | 9 | 9 | 9 | 9 | 9 | 9 | ||
| max | 6.8 | / | 6.8 | / | 6.8 | 6.8 | 7.55 | 7.55 | 9.75 | 9.75 | 9.75 | 9.75 | 9.75 | 9.75 | ||||
| min | 6.3 | / | 6.3 | / | 6.3 | 6.3 | 6.05 | 6.05 | 8.25 | 8.25 | 8.25 | 8.25 | 8.25 | 8.25 | ||||
| per 1000 units≈kg ③ | Stainless Steel | ≈ | 42.8 | / | 59.6 | / | 67.4 | 75 | 102 | 120 | 180.4 | 213 | 235 | 258 | 282 | 307 | ||
| Size | 76 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | ||||
| Bolt size | Metric | M76 | M80 | M85 | M90 | M95 | M100 | M105 | M110 | M115 | M120 | M125 | M130 | |||
| Inch | 3” | 3 1/8” | – | – | – | 4” | – | – | – | – | – | 5” | ||||
| d | max | 79.6 | 83.6 | 88.6 | 92.9 | 97.9 | 103.9 | 108.9 | 113.9 | 118.9 | 123.9 | 128.9 | 133.9 | |||
| min | 79.1 | 83.1 | 88.1 | 92.4 | 97.4 | 103.4 | 108.4 | 113.4 | 118.4 | 123.4 | 128.4 | 133.4 | ||||
| dc | Nominal Size | 110 | 115 | 120 | 130 | 135 | 145 | 150 | 155 | 165 | 170 | 173 | 178 | |||
| max | 110 | 115 | 120 | 130 | 135 | 145 | 150 | 155 | 165 | 170 | 173 | 178 | ||||
| min | 108 | 113 | 118 | 128 | 133 | 143 | 148 | 153 | 163 | 168 | 171 | 176 | ||||
| h | Steel | Nominal Size | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | ||
| max | 10.25 | 10.25 | 10.25 | 10.25 | 10.25 | 10.25 | 10.25 | 10.25 | 10.25 | 10.25 | 10.25 | 10.25 | ||||
| min | 8.75 | 8.75 | 8.75 | 8.75 | 8.75 | 8.75 | 8.75 | 8.75 | 8.75 | 8.75 | 8.75 | 8.75 | ||||
| per 1000 units≈kg ③ | Steel | ≈ | 333 | 360 | 378 | 477 | 498 | 589 | 613 | 635 | 753 | 779 | 766 | 792 | ||
| h | Stainless Steel | Nominal Size | 9 | 9 | / | / | / | / | / | / | / | / | / | / | ||
| max | 9.75 | 9.75 | / | / | / | / | / | / | / | / | / | / | ||||
| min | 8.25 | 8.25 | / | / | / | / | / | / | / | / | / | / | ||||
| per 1000 units≈kg ③ | Stainless Steel | ≈ | 333 | 360 | / | / | / | / | / | / | / | / | / | / | ||
Add:No.21 ofqixinzhai,Yongnian,Handan,Hebei, China
Tel:+(86)150-3002-9626
E-mail:wins@keqifastener.com Website:www.kegifastener.com
