Hongxu Hardware Co., Ltd
Hongxu Hardware Co., Ltd（Jiaxing Hongxin Trading Co.,Ltd）
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Stainless Steel Plain Color Flat Washers,Stainless Steel A2-70 Washers (SS316 SS304 316L)
Product Description
Item: Outer teeth washer
Standard:DIN6798 A/GB862.2
Size:M12
Material:65Mn
Surface:Electroplating and polishing
External serrated lock washer, also known as external multi tooth lock washer, chrysanthemum washer. Tooth face safety washer solves the problem of screw
Security issues with the connection.
This product is widely used in the manufacture and assembly of electronic and electrical switches, case cabinets and electrical equipment, and the manufacture of communication machinery and equipment
Automobile industry, light rail train, subway train and other manufacturing and assembly industries.
Specification
| Item | Flat washers | ||||||
| Standard: | DIN 6798A | ||||||
| Material | Spring steel 65Mn | ||||||
| Application scope | automobile fastener and Fasteners for mechanical industry | ||||||
| SIZE | 1.7 | 2.2 | 2.7 | 3.2 | 3.7 | 4.3 | 5.3 | 6.4 | 7.4 | 8.4 | |
| d | |||||||||||
| d | MIN | 1.7 | 2.2 | 2.7 | 3.2 | 3.7 | 4.3 | 5.3 | 6.4 | 7.4 | 8.4 |
| MAX | 1.84 | 2.34 | 2.84 | 3.38 | 3.88 | 4.48 | 5.48 | 6.62 | 7.62 | 8.62 | |
| dc | MAX | 3.6 | 4.5 | 5.5 | 6 | 7 | 8 | 10 | 11 | 12.5 | 15 |
| MIN | 3.3 | 4.2 | 5.2 | 5.7 | 6.64 | 7.64 | 9.64 | 10.57 | 12.07 | 14.57 | |
| t | 0.3 | 0.3 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.8 | |
| Tooth number | MIN | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 12 | 14 | 14 |
| Applicable thread | M1.6 | M2 | M2.5 | M3 | M3.5 | M4 | M5 | M6 | M7 | M8 | |
| SIZE | 10.5 | 13 | 15 | 17 | 19 | 21 | 23 | 25 | 28 | 31 | |
| d | |||||||||||
| d | MIN | 10.5 | 13 | 15 | 17 | 19 | 21 | 23 | 25 | 28 | 31 |
| MAX | 10.77 | 13.27 | 15.27 | 17.27 | 19.33 | 21.33 | 23.33 | 25.33 | 28.33 | 31.39 | |
| dc | MAX | 18 | 20.5 | 24 | 26 | 30 | 33 | 36 | 38 | 44 | 48 |
| MIN | 17.57 | 19.98 | 23.48 | 25.48 | 29.48 | 32.38 | 35.38 | 37.38 | 43.38 | 47.38 | |
| t | 0.9 | 1 | 1 | 1.2 | 1.4 | 1.4 | 1.5 | 1.5 | 1.6 | 1.6 | |
| Tooth number | MIN | 16 | 16 | 18 | 18 | 18 | 20 | 20 | 20 | 22 | 22 |
| Applicable thread | 1.25 | 1.6 | 2.3 | 2.9 | 5 | 6 | 7.5 | 8 | 12 | 14 | |
Classified
Washers are classified as: flat washer-C, large washer-A and C, super large washer-C, small washer-A, flat washer-A, flat washer-chamfer-A, high strength washer for steel structure, spherical washer, conical washer, square oblique washer for I-shaped steel, square oblique washer for groove steel, standard spring washer, light spring washer, heavy bullet. Spring washer, internal tooth lock washer, internal saw tooth lock washer, external tooth lock washer, external saw tooth lock washer, single ear stop washer, double ear stop washer, external tongue stop washer, round nut stop washer.
Application
1.in the manufacture and assembly of electronic and electrical switches
2.case cabinets and electrical equipment
3.the manufacture of communication machinery and equipment
4.Automobile industry
5.light rail train
6.subway train
7.other manufacturing and assembly industries.