Heavy-Duty ASTM F436 Hardened Flat Washer Black/HDG Finish

• Customization: Available
• Type: Hardened Flat Washer
• Material: Carbon Steel
• Model NO.: F436
• Combination Washer Packaging: All Inclusive
• Spring Washer Type: Standard
• Transport Package: Pallets/Packages
• Specification: 1100*800
• Trademark: M
• Origin: China
• HS Code: 7318220001
• Production Capacity: 5000 Ton/Month

Product Description

Product Description

 

Standard	F436
Grade	2,5,8,10
Size	M6-M100
Surface	Black,zinc-plating,H.D.G,dacromet,etc.
Material	Carbon steel,Alloy steel,stainless steel,etc.
Sample	FREE Samples Will be Provided

Our premium F436 flat washers are expertly designed to fit snugly between connected pieces and nuts, acting as a robust shield. Typically fabricated from high-quality flat metal, these washers ensure the surface of your connected components is safeguarded from nut-induced damage. Additionally, they effectively distribute the pressure exerted by the nuts across the connected pieces, offering enhanced durability and longevity.

ASTM SpecificationsASTM F436 Washer Dimensions

SIZE	ID		OD		THK
	MIN	MAX	MIN	MAX	MIN	MAX
1/4	0.281	0.313	0.593	0.657	.090	.110
5/16	0.344	0.376	0.656	0.720	.090	.110
3/8	0.406	0.438	0.781	0.845	0.110	.126
7/16	0.469	0.501	0.890	0.954	0.110	.126
1/2	0.531	0.563	1.031	1.095	0.305	.375
9/16	0.625	0.657	1.156	1.22	0.305	.375
5/8	0.688	0.720	1.281	1.345	0.305	.375
3/4	0.813	0.845	1.436	1.500	0.305	.375
7/8	0.938	0.970	1.718	1.782	0.305	.375
1	1.063	1.126	1.937	2.063	0.305	.375
1-1/8	1.188	1.251	2.187	2.313	0.305	.375
1-1/4	1.375	1.438	2.437	2.563	0.305	.375
1-1/2	1.625	1.688	2.937	3.063	0.305	.375

 

ASTM SpecificationsASTM F436M Washer Dimensions

SIZE	ID		OD		THK
	MAX	MIN	MAX	MIN	MAX	MIN
M12	14.40	14.00	27.00	25.70	4.60	3.10
***	16.40	16.00	30.00	28.70	4.60	3.10
***	18.40	18.00	34.00	32.40	4.60	3.10
M20	22.50	22.00	42.00	40.40	4.60	3.10
M22	24.50	24.00	44.00	42.40	4.60	3.40
M24	26.50	26.00	50.00	48.40	4.60	3.40
M27	30.50	30.00	56.00	54.10	4.60	3.40
M30	33.60	33.00	60.00	58.10	4.60	3.40
M36	39.60	39.00	72.00	70.10	4.60	3.40
M42	45.60	45.00	84.00	81.80	7.20	4.60
M48	52.70	52.00	95.00	92.80	7.20	4.60
M56	62.70	62.00	107.00	104.80	8.70	6.10
M64	70.70	70.00	118.00	115.80	8.70	6.10
M72	78.70	78.00	130.00	127.50	8.70	6.10
M80	86.90	86.00	142.00	139.50	8.70	6.10
M90	96.90	96.00	159.00	156.50	8.70	6.10
M100	107.90	107.00	176.00	173.50	8.70	6.10

 

Company Profile

 

Ningbo Beilun Milfast Metalworks Co., Ltd. is a distinguished professional fasteners company located in Ningbo. We specialize in the manufacturing of Threaded Rods, Studs, Bolts, Nuts, Washers, and Stamping metal parts. Our commitment to exceptional product quality and superior service has earned us the trust and admiration of our valued customers.

Milfast Metalworks offers an extensive range of products with various specifications and types, including but not limited to: THREADED RODS, STUD BOLTS, HEAVY HEX BOLTS, STRUCTURAL BOLTS, HEX BOLTS, FLANGE BOLTS, TRACK BOLTS, CARRIAGE BOLTS, HEAVY HEX NUTS, STRUCTURAL NUTS, HEX NUTS, FLANGE NUTS, CASTLE NUTS, SQUARE NUTS, FLAT WASHERS, SPRING WASHERS, SPECIAL FASTENERS, and an array of other METAL PARTS.

Our product materials include carbon steel, alloy steel, and stainless steel. In addition,we can also
produce special fasteners tailored to customers' drawings or samples.

Ningbo Beilun Milfast Metalworks Co., Ltd.
produces high-quality standard fasteners such as Threaded Rods, bolts, nuts, stud bolts, and washers as follows,
ASTM A325/A325M/A490/A490M Type 1 Structural Bolts, A193/A193M Gr.B7/B7M Heavy Hex Bolts, ASTM A307 Hex Bolts, DIN912 Socket Head Cap Screws, DIN6914 Structural Bolts, EN14399-3/EN14399-4 Heavy Hex Bolts, DIN931/933 Hex Bolts, DIN960/961 Hex Bolts, ISO4014/4017 Hex Bolts, DIN6921 Flange Bolts.
ASTM A194/A194M Gr. 2H/2HM, 7/7M Heavy Hex Nuts, A563/A563M Gr. C/DH/10S Heavy Hex Nuts, DIN6915 Structural Nuts, EN14399-3/EN14399-4 Heavy Hex Nuts, DIN934 Hex Nuts, ISO4032 Hex Nuts, DIN6923 Flange Nuts.
ASTM A193/A193M Gr. B7/B7M, B16, B8/B8M, ASTM A320 Gr.L7/L7M Threaded Rod/Stud Bolts, DIN975 Threaded Rods.
ASTM F436 Hardened Flat Washer, SAE/USS Flat Washer, ISO7089 Round Flat Washer, DIN125 Flat Washers, DIN6916 Structural Washer, EN14399-5/EN14399-6 Flat Washer, DIN127 Spring Washer, F959 DTI Washer.

Adhering to stringent quality control systems, Ningbo Beilun Milfast Metalworks Co., Ltd. meticulously oversees every production step from raw material selection to the final manufacturing process. This rigorous management ensures that only top-tier products leave our factory, securing high levels of customer satisfaction.

Milfast Metalworks' main products, including ASTM A193-B7 Threaded Rods, A194 Gr. 2H Heavy Hex Nuts, ASTM A325 Structural Bolts, and ASTM F436M Hardened Flat Washers,are distributed globally, reaching markets in America, Europe, the Middle East, Africa, and beyond.

We are confident in our ability to provide you with high-quality products, competitive pricing, timely delivery, and impeccable after-sales service. Milfast's goal is to foster a win-win business model and establish enduring partnerships for the future.

Packaging & Shipping

FAQ

 

Q1: Why should you choose us?

We are dedicated to offering our customers exceptional service and superior-quality fasteners, all while minimizing costs.

1.1. Vision: We aim to cultivate successful relationships with our partners and become their top choice for fastener supplies.



1.2. Mission: Delivering professional customer service and pioneering innovation in technology.



Furthermore, we don't just provide fasteners that exceed your expectations in quality and price; we also strive to be your trusted companion, offering insightful market sales advice. If you have any innovative ideas, we would love for you to share them with us.

Q2: How is the quality of your products ensured?

Our quality inspection department meticulously checks every process to ensure each product meets our high standards. We personally visit the production facilities to oversee and verify the quality.

Q3: What is the best mode of transport for your products?

Given the heavy nature of our products, we typically recommend sea freight for delivery. However, we are open to considering your preferences for other modes of transportation.