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Narrow Round Metal Washers M4 M5 , Thin Flat Washers DIN BSW ANIS Standard
Narrow Round Metal Washers M4 M5 , Thin Flat Washers DIN BSW ANIS Standard
Narrow Round Metal Washers M4 M5 , Thin Flat Washers DIN BSW ANIS Standard
Narrow Round Metal Washers M4 M5 , Thin Flat Washers DIN BSW ANIS Standard
Specifications
Brand Name :
MAIDE
Model Number :
M3-M56
Certification :
ISO
Place of Origin :
Yongnian，Hebei,China
MOQ :
1TON
Payment Terms :
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Delivery Time :
7-30work days
Packaging Details :
Bags (25kg)
Material :
Iron
Size :
M3-M52
Grade :
4.8 8.8 12.9
Color: :
White & Yellow
Standard :
DIN BSW ANIS
Description

Hot Dip Galvanized Narrow Flat Metal Washers M4 M5 , Thin Flat Washers DIN BSW ANIS

Standard

Product Description

Flat washers are usually thin pieces of various shapes to reduce friction, prevent leaks, isolate, prevent loosening, or distribute pressure. This material is used in many materials and structures to perform a variety of similar functions. Due to the limitations of the material and process of the threaded fasteners, the bearing surfaces of the fasteners such as the bolts are not large, so that the surface of the parts to be joined is protected to reduce the compressive stress of the bearing surface, and washers are used.

Flat Metal Washers, which is mainly punched out with an iron plate, is generally a flat washer with a hole in the middle. There is a calculation formula in the “Compound Encyclopedia of Standard Fasteners” published by China Standards Publishing House. The formula is: Thousand pieces weight m=0.00785×{3.1416/4×washer height×(single circle diameter-square of inner hole diameter) }

The Role of Flat Mat

1. Increase the contact area between the screw and the machine.


2. Eliminate damage to the surface of the machine when the spring pad is unloaded. When used, it must be a spring pad and a flat pad. The flat pad is facing the surface of the machine. The spring pad is between the flat pad and the nut.

Flat pad standard


National standards are different.
Here is the United States flat pad standard:

Specification Minor Diameter Outside Diameter Thickness Tolerance Thickness Tolerance Disintegration
USS 3/16 6.22～6.73 14.15～14.66 0.91～1.65 0.91～1.40
1.40～1.65 　　 　　 　　 　　
USS 1/4 7.80～8.31 18.47～19.02 1.30～2.03 1.30～1.65
1.65～2.03 　　 　　 　　 　　
USS 5/16 9.40～9.91 22.05～22.99 1.63～2.64 1.63～2.20
2.20～2.64 　　 　　 　　 　　
USS 3/8 11.00～11.51 25.22～26.16 1.63～2.64 1.63～2.20
2.20～2.64 　　 　　 　　 　　
USS 7/16 12.57～13.08 31.57～32.51 1.63～2.64 1.63～2.20
2.20～2.64 　　 　　 　　 　　
USS 1/2 14.15～14.60 34.75～35.69 2.18～3.35 2.18～2.70
2.70～3.00 　　 　　 　　 　　
3.00～3.35 　　 　　 　　 　　
USS 9/16 15.75～16.26 37.13～38.07 2.18～3.35 2.18～2.70
2.70～3.00 　　 　　 　　 　　
3.00～3.35 　　 　　 　　 　　
USS 5/8 17.30～18.24 44.27～45.21 2.74～4.06 2.74～3.20
3.20～3.60 　　 　　 　　 　　
3.60～4.06 　　 　　 　　 　　
USS 3/4 20.45～21.39 50.62～51.56 3.10～4.50 3.10～3.60
3.60～4.20 　　 　　 　　 　　
4.20～4.50 　　 　　 　　 　　
USS 7/8 23.65～24.58 56.97～57.91 3.45～4.88 3.45～4.00
4.00～4.30 　　 　　 　　 　　
4.30～4.88 　　 　　 　　 　　
USS 1 26.80～27.74 63.32～64.26 3.45～4.88 3.45～4.00
4.00～4.30 　　 　　 　　 　　
4.30～4.88 　　 　　 　　 　　
USS 11/8 31.57～32.51 69.67～70.61 3.45～4.88 3.45～4.00
4.00～4.30 　　 　　 　　 　　
4.30～4.88 　　 　　 　　 　　
USS 11/4 34.75～35.69 76.02～76.96 3.45～4.88 3.45～4.00
4.00～4.30 　　 　　 　　 　　
4.30～4.88 　　 　　 　　 　　
USS 13/8 37.85～39.24 82.30～83.69 3.89～5.41 3.89～4.40
4.40～5.00 　　 　　 　　 　　
5.00～5.41 　　 　　 　　 　　
USS 11/2 41.02～42.42 88.65～90.04 3.89～5.41 3.89～4.40
4.40～5.00 　　 　　 　　 　　
5.00～5.41 　　 　　 　　 　　
USS 15/8 44.20～45.59 95.00～96.39 3.89～5.41 3.89～4.40
4.40～5.00 　　 　　 　　 　　
5.00～5.41 　　 　　 　　 　　
USS 13/4 47.37～48.77 101.35～102.74 3.89～5.41 3.89～4.40
4.40～5.00 　　 　　 　　 　　
5.00～5.41 　　 　　 　　 　　
USS 17/8 50.55～51.04 107.70～109.09 3.89～5.41 3.89～4.40
4.40～5.00 　　 　　 　　 　　
5.00～5.41 　　 　　 　　 　　
USS 2 53.72～55.12 114.05～115.44 3.89～5.41 3.89～4.40
4.40～5.00 　　 　　 　　 　　
5.00～5.41 　　 　　 　　 　　

Narrow Round Metal Washers M4 M5 , Thin Flat Washers DIN BSW ANIS Standard

Product tags

thick flat washer din125

,

flat washers din125a

,

flat washer din 125
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Narrow Round Metal Washers M4 M5 , Thin Flat Washers DIN BSW ANIS Standard

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Product Detail
Brand Name :
MAIDE
Model Number :
M3-M56
Certification :
ISO
Place of Origin :
Yongnian，Hebei,China
MOQ :
1TON
Payment Terms :
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Contact Supplier
Narrow Round Metal Washers M4 M5 , Thin Flat Washers DIN BSW ANIS Standard
Narrow Round Metal Washers M4 M5 , Thin Flat Washers DIN BSW ANIS Standard

Handan city Yongnian District Maide Fasteners Co. Ltd

Active Member
8 Years
hebei, handan
Since 1997
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Importer, Exporter, Seller, Other
Main Products :
Galvanized Hex Bolts, Fully Threaded Hex Bolts, Steel Hex Bolt
Certification Level :
Active Member
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