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F436 Flat Steel Washer, 1/4'' - 4'', Black Oxide For Oil And Gas Industry

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Suzhou YNK Fastener Co., Ltd.

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F436 Flat Steel Washer, 1/4'' - 4'', Black Oxide For Oil And Gas Industry

Brand Name : YNK

Model Number : F436

Certification : ISO9001；ISO14001;ISO45001;CE

Place of Origin : China

MOQ : One Pallet For One Size

Payment Terms : T/T

Supply Ability : 50T For 1 day

Packaging Details : Pallet

Name : F436 Flat Steel Washer

Material : S45C/40CR

Size : 1/4'' - 4''

Finish : Plain/black/ZINC/HDG/Dacromet

Standard : F436

Hardness : HV300/HRC35-45

Application : Heavy Machinery ； Industrial Equipment ； Infrastructure Projects ； Oil and Gas Industry

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F436 Flat Steel Washer, 1/4'' - 4'', Black Oxide For Oil And Gas Industry

Standard:F436

Description:

The F436 Washer is specified by the ASTM F436 standard, which ensures that the washer meets specific requirements for its dimensions, material composition, hardness, and performance. This standard is widely recognized and used in North America for structural applications.

The Zinc Plated Washer refers to the surface treatment applied to the washer. Zinc plating provides a layer of corrosion resistance, which helps protect the washer from rust and other forms of degradation. This makes the washer suitable for use in both indoor and outdoor environments, especially in applications where exposure to moisture or other corrosive elements is a concern.

Application :

Structural Steel Construction ； Bridge Construction ； Heavy Machinery ； Industrial Equipment ； Infrastructure Projects ； Oil and Gas Industry

Material	45#/40CR
Size	1/4"-4"
Finish	Plain/black/ZINC/HDG/Dacromet/Mechanical Galvanized
Hardness	HV300/HRC35-45
Marking	can be Customized
Application	Constrution/Wind turbines/railway line
Packing	Carton+ pallet; we can pack washers as your requirements
Terms	FOB+shanghai/ningbo
Delivery time	30-70days


size	Inner diameter(min)	Inner diameter(max)	Outside diameter (min)	Outside diameter (max)	Thickness (max)	nominal size	Thickness (min)
1/4"	7.137	7.925	15.087	15.875	2	1.65	1.2954
5/16"	8.737	9.525	16.662	17.45	2	1.65	1.2954
3/8"	10.312	11.1	19.837	20.65	2	1.65	1.2954
7/16"	11.912	12.7	22.63	23.41	2	1.65	1.2954
1/2"	13.487	14.3	26.187	27.787	4.95	3.47	2.4638
9/16"	15.087	15.9	29.311	30.91	4.95	3.47	2.4638
5/8"	17.45	18.26	32.537	34.137	4.95	3.8	3.0988
3/4"	20.65	21.43	37	38.1	4.95	3.8	3.0988
7/8"	23.8	24.587	43.662	45.237	4.95	3.97	3.4544
1"	28.575	29.36	50.012	51.587	4.95	3.97	3.4544
1-1/8"	31.75	32.537	56.362	57.937	4.95	3.97	3.4544
1-1/4"	34.925	35.712	62.712	64.287	4.95	3.97	3.4544
1-3/8"	38.10	39.7	68.25	70.63	4.95	3.97	3.4544
1-1/2"	41.275	42.062	75.412	76.987	4.95	3.97	3.4544
1-5/8"	44.45	46.01	80.99	84.11	7.1	6	4.53
1-3/4"	47.63	49.23	84.12	87.29	7.1	6	4.53
1-7/8"	50.80	52.36	87.34	90.46	7.1	6	4.53
2"	53.98	55.58	93.65	96.81	7.1	6	4.53
2-1/4"	60.33	61.93	100	103.16	8.62	7.3	6.1
2-1/2"	66.68	68.28	112.7	115.86	8.62	7.3	6.1
2-3/4"	73.03	74.63	125.4	128.56	8.62	7.3	6.1
3"	79.38	80.98	138.1	142.82	8.62	7.3	6.1
3-1/4"	85.73	88.9	149.23	155.52	8.62	7.3	6.1
3-1/2"	92.08	95.25	161.93	168.22	8.62	7.3	6.1
3-3/4"	98.43	101.6	174.63	180.92	8.62	7.3	6.1
4"	104.78	107.95	187.33	193.62	8.62	7.3	6.1

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F436 Flat Steel Washer, 1/4'' - 4'', Black Oxide For Oil And Gas Industry

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