Copper Washer manufacturer
CDA 101 Flat, Fender and Belleville Washer manufacturer & supplier in India
Copper crush and spring washer are thus high in demand in the market as copper crush is used for sealing steel whereas spring washer is just like a round spiral spring and is used as a nut locking device. DIN 7603 copper sealing washers has some specifications like inner diameter, outer diameter and thickness. DIN 125 Copper Fender Washers is placed under the head of bolt or nut to tighten the nut. This washer usually has zinc plated coating or with no finishing at all. The metals used in manufacturing this product is brass, copper and many more. Metric copper washer divides the pressure of fastener on a flat surface without damaging the fastener. These are available in various sizes and works on a particular temperature range.
Copper Crush Washer
Copper Washers
Copper flat washers
M14 copper washer is basically the part number of the washer, which describes that where it is used and what will be the inner and outer diameter and also the thickness of the washer. 8mm copper lock washer is used in fuel industry, automotive industry and many others. Annealing Copper Washers means when you anneal i.e. when you melt the copper, it moulds into the exact shape of the surface. This is done in order to soften the copper so that they can be used in bolts or nuts.
Table of Content
Copper washers are the one which is ductile and has an ideal stamping. It is a good conductor of heat and is used in industries like chemical and many others. These are the product which has corrosion resistance and excellent heat and electrical conductivity. Copper flat washer is basically like a disc which has a hole at the center. It is non-magnetic and is a good conductor of electricity. These are placed under the head of a bolt, in order to prevent the fasteners. There are various types of washer like spring washer, plain washer, locking washer. The width of these ranges from 3/16” to ¼”. These are specialized washer where the risk of cupping is not observed.
Manufacturers of DIN 7603 Pure Copper Sealing Washers, DIN 125 Fender Washers in India
| Size | USS | SAE | ||||
|---|---|---|---|---|---|---|
| Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
|
| #2 | - | - | - | 3/32" | 1/4" | 0.020" |
| #4 | - | - | - | 1/8" | 5/16" | 0.032" |
| #10 | - | - | - | 7/32" | 1/2" | 0.049" |
| #12 | - | - | - | 1/4" | 9/16" | 0.065" |
| 1/4" | 5/16" | 0.734" | 0.065" | 9/32" | 5/8" | 0.065" |
| 5/16" | 3/8" | 7/8" | 0.083" | 11/32" | 11/16" | 0.065" |
| 1/2" | 9/16" | 1-3/8" | 0.109" | 17/32" | 1-1/16" | 0.095" |
| 9/16" | 5/8" | 1-15/32" | 0.109" | 19/32" | 1-5/32" | 0.095" |
| 7/8" | 15/16" | 2-1/4" | 0.165" | 15/16" | 1-3/4" | 0.134" |
| 1" | 1-1/16" | 2-1/2" | 0.165" | 1-1/16" | 2" | 0.134" |
| 1-3/8" | 1-1/2" | 3-1/4" | 0.180" | - | - | - |
| 1-1/2" | 1-5/8" | 3-1/2" | 0.180" | - | - | - |
| 2" | 2-1/8" | 4-1/2" | 0.213" | - | - | - |
Customized sizes of 8MM Copper Lock Washer, Metric Annealing Washers as per cusmtomer's request
| NOM SIZE | Inner Dia (d) Basic Tol (+) | Outer Dia (d1) Max | WIDTH (b) Basic Tol (+ or -) | THICKNESS (S) Basic Tol (+ or -) | Weight per 1000 in Kgs | |||
| 3 | 3.1 | 0.3 | 6.2 | 1.3 | 0.1 | 0.8 | 0.1 | 0.11 |
| 4 | 4.1 | 0.3 | 7.6 | 1.5 | 0.1 | 0.9 | 0.1 | 0.18 |
| 10 | 10.2 | 0.5 | 18.1 | 3.5 | 0.2 | 2.2 | 0.15 | 2.53 |
| 12 | 12.2 | 0.5 | 21.1 | 4 | 0.2 | 2.5 | 0.15 | 3.82 |
| 16 | 16.2 | 0.8 | 27.4 | 5 | 0.2 | 3.5 | 0.2 | 8.91 |
| 18 | 18.2 | 0.8 | 29.4 | 5 | 0.2 | 3.5 | 0.2 | 9.73 |
| 20 | 20.2 | 1 | 33.6 | 6 | 0.2 | 4 | 0.2 | 15.20 |
| 30 | 30.5 | 1.2 | 48.2 | 8 | 0.25 | 6 | 0.2 | 44.30 |
| 33 | 33.5 | 1.2 | 55.2 | 10 | 0.25 | 6 | 0.2 | 63.00 |
| 45 | 45.5 | 1.2 | 71.2 | 12 | 0.25 | 7 | 0.25 | 117.00 |
| 48 | 49 | 1.5 | 75 | 12 | 0.25 | 7 | 0.25 | 123.00 |
| 52 | 53 | 1.5 | 83 | 14 | 0.25 | 8 | 0.25 | 320.00 |
Bolt Size |
USS |
SAE |
||||
OD (in.) |
ID (in.) |
Thickness |
OD (in.) |
ID (in.) |
Thickness |
|
1/8 (#6) |
- |
- |
- |
0.375 |
0.156 |
.036/.065 |
5/32 (#8) |
- |
- |
- |
0.438 |
0.188 |
.036/.065 |
3/16 (#10) |
0.560 |
0.250 |
.036/.065 |
0.500 |
0.220 |
.036/.065 |
7/32 (#12) |
- |
- |
- |
0.562 |
0.250 |
.051/.080 |
1/4 (#14) |
0.734 |
0.312 |
.051/.080 |
0.625 |
0.281 |
.051/.080 |
5/16 |
0.875 |
0.375 |
.064/.104 |
0.688 |
0.344 |
.051/.080 |
3/8 |
1.000 |
0.438 |
.064/.104 |
0.812 |
0.406 |
.051/.080 |
1/2 |
1.375 |
0.562 |
.086/.132 |
1.062 |
0.531 |
.074/.121 |
5/8 |
1.750 |
0.688 |
.108/.160 |
1.312 |
0.656 |
.074/.121 |
3/4 |
2.000 |
0.812 |
.122/.177 |
1.469 |
0.812 |
.108/.160 |
7/8 |
2.250 |
0.938 |
.136/.192 |
1.750 |
0.938 |
.108/.160 |
1 |
2.500 |
1.062 |
.136/.192 |
2.000 |
1.062 |
.108/.160 |
1 1/4 |
3.000 |
1.375 |
.136/.192 |
2.500 |
1.375 |
.136/.192 |
1 3/8 |
3.250 |
1.500 |
.153/.213 |
2.750 |
1.500 |
.136/.213 |
1 5/8 |
3.750 |
1.750 |
.153/.213 |
- |
- |
- |
1 3/4 |
4.000 |
1.875 |
.153/.213 |
- |
- |
- |
2 |
4.500 |
2.125 |
.153/.213 |
- |
- |
- |
2 1/2 |
5.000 |
2.625 |
.210/.280 |
- |
- |
- |
3 |
5.500 |
3.125 |
.249/.327 |
- |
- |
- |
| Specifications | : | CDA, Copper |
| Length | : | M02 to M33 |
| Standard | : | CDA 101, CDA 110, CDA 102 |
| Size | : | 3 mm to 200 mm |