Product Description:

ASTM F436 Type 1 Black Oxide Hardened Steel Structural Flat Washer

ASTM F436 Type 1 Black Oxide Hardened Steel Structural Flat Washer Made In China.

We offer low carbon steel, medium carbon steel, alloy steel, stainless steel and brass, aluminum alloy Washers.

Washers can be heated, oxidized black, galvanized, hot bucket galvanized, black zinc, copper plating, nickel plating, chromium plating, Dakota and other treatments to meet various corrosion resistance or strength requirements.

Please state this requirement in your inquiry.

Product Specification:

Hardened steel washers
ASTM F436-2010
Nom	dc(ich)	d(ich)	h(ich)				n(ich)
			Nom		thickness
size			min	max	min	max	min
1/4	0.625	0.281	0.051	0.08	/	/	0.219
5/16	0.688	0.344	0.051	0.08	/	/	0.281
3/8	0.813	0.406	0.051	0.08	/	/	0.344
7/16	0.922	0.469	0.051	0.08	/	/	0.406
1/2	1.063	0.531	0.097	0.177	0.305	0.375	0.438
9/16	1.188	0.625	0.11	0.177	0.305	0.375	0.5
5/8	1.313	0.688	0.122	0.177	0.305	0.375	0.563
3/4	1.468	0.813	0.122	0.177	0.305	0.375	0.656
7/8	1.75	0.938	0.136	0.177	0.305	0.375	0.781
1	2	1.063	0.136	0.177	0.305	0.375	0.875
1-1/8	2.25	1.188	0.136	0.177	0.305	0.375	1
1-1/4	2.5	1.375	0.136	0.177	0.305	0.375	1.094
1-3/8	2.75	1.5	0.136	0.177	0.305	0.375	1.219
1-1/2	3	1.625	0.136	0.177	0.305	0.375	1.313
1-3/4	3.375	1.875	0.178	0.28	0.305	0.375	1.531
2	3.75	2.125	0.178	0.28	0.305	0.375	1.75
2-1/4	4	2.375	0.24	0.34	0.305	0.375	2
2-1/2	4.5	2.625	0.24	0.34	0.313	0.375	2.188
2-3/4	5	2.875	0.24	0.34	0.313	0.375	2.406
3	5.5	3.125	0.24	0.34	0.313	0.375	2.625
3-1/4	6	3.375	0.24	0.34	0.313	0.375	2.875
3-1/2	6.5	3.625	0.24	0.34	0.313	0.375	3.063
3-3/4	7	3.875	0.24	0.34	0.313	0.375	3.313
4	7.5	4.125	0.24	0.34	0.313	0.375	3.5

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory and OEM are available.

Q: How long is your delivery time?

A: Generally it is 2-5 days if the goods are in stock,or it is 15-30 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: 30% T/T in advance ,balance before shipment or L/C.
If you have another question, please feel free to contact us.

Jiangyin XiangGu Hardware Products Co., Ltd. is located in Wuxi City and close to Shanghai Port, with convenient transportation.

Our company handles all kinds of fasteners such as bolts, nuts and washers made of stainless steel, carbon steel and copper.

Xianggu Hardware is committed to integrating the superior supply chain system of various fastener products, focusing on the salesman's mastery of fastener expertise, providing fastener system solutions.

We are willing to become your partner with first-class product quality,first-class service level and competitive price.

Main products:

Stainless steel 18-8,A2-70, A4-70 and A4-80 Hex head bolts,Hex socket head bolts and nuts.

Carbon steel and Alloy steel Hex head cap screws,Hex socket head screws, machine screws, self-tapping screws, Hex flange bolts and Structural bolts with coating Hot-dip galvanized, Dacromet, Blue-white zinc,Yellow zinc.

Product Application Areas:

Our fasteners are widely used in automobiles, ships, wind energy, solar energy, boiler, electronic appliances, machinery and equipment, and construction engineering.