High Strength DIN 933 M5 Grade 8.8 Zinc Plated Hex Bolt Nut Washer Set for Machinery

Product Description

High Strength DIN 933 M5 Grade 8.8 Zinc Plated Hex Bolt Nut Washer Set for Machinery

Product Description

Product Name	Carbon Steel Zinc Plated Hex Bolt Nut Washer Assembly
Product Type	Hex Bolt and Nut Set / Bolt Nut Washer Kit / Fastener Assembly
Standard	DIN 933 Bolt, DIN 934 Nut, DIN 125 Flat Washer and DIN 127 Spring Washer, or Customer Specification
Size Range	M5–M30; Other Sizes Available upon Request
Bolt Material	Carbon Steel
Nut Material	Carbon Steel
Washer Material	Carbon Steel
Property Class	Bolt Class 8.8 Shown; Class 4.8 / 5.8 / 8.8 / 10.9 Available
Nut Class	Class 8 or Matched to Bolt Property Class
Thread Type	Metric Coarse Thread; Fine Thread Available
Thread Coverage	Fully Threaded
Assembly Components	Hex Bolt, Hex Nut, Flat Washer and Split Lock Washer
Surface Finish	White/Blue Zinc Plated
Customization	Size, Length, Thread Pitch, Property Class, Washer Combination, Marking, Finish and Packaging
Packaging	Bulk Packing, Box, Carton, Pallet or Customized Export Packaging
OEM / ODM	Available according to Drawings, Samples or Technical Requirements

Screw Thread d			(M18)	M20	(M22)	M24	(M27)	M30	(M33)
P	Pitch		2.5	2.5	2.5	3	3	3.5	3.5
a	max		7.5	7.5	7.5	9	9	10.5	10.5
c	min		0.2	0.2	0.2	0.2	0.2	0.2	0.2
	max		0.8	0.8	0.8	0.8	0.8	0.8	0.8
da	max		20.2	22.4	24.4	26.4	30.4	33.4	36.4
dw	Grade A	min	25.3	28.2	30	33.6	-	-	-
	Grade B	min	24.8	27.7	29.5	33.2	38	42.7	46.5
e	Grade A	min	30.14	33.53	35.72	39.98	-	-	-
	Grade B	min	29.56	32.95	35.03	39.55	45.2	50.85	55.37
k	Nominal Size		11.5	12.5	14	15	17	18.7	21
	Grade A	min	11.28	12.28	13.78	14.78	-	-	-
		max	11.72	12.72	14.22	15.22	-	-	-
	Grade B	min	11.15	12.15	13.65	14.65	16.65	18.28	20.58
		max	11.85	12.85	14.35	15.35	17.35	19.12	21.42
k1	min		7.8	8.5	9.6	10.3	11.7	12.8	14.4
r	min		0.6	0.8	0.8	0.8	1	1	1
s	max=nominal size		27	30	32	36	41	46	50
	Grade A	min	26.67	29.67	31.61	35.38	-	-	-
	Grade B	min	26.15	29.16	31	35	40	45	49

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FAQ

Q1: Are you a fastener manufacturer or trading company?

A1: We are a professional fastener supplier with manufacturing and sourcing capabilities, providing bolts, nuts, washers, screws, threaded rods and custom fasteners for global B2B buyers.

Q2: Can you supply standard and non-standard fasteners?

A2: Yes. We can supply standard fasteners according to DIN, ISO, ANSI, ASTM and other standards, and also support non-standard fasteners based on drawings or samples.

Q3: What materials can you provide for fasteners?

A3: We can provide carbon steel, stainless steel, alloy steel, brass and other materials according to the application, strength requirement and customer specifications.

Q4: Do you support OEM or customized fastener production?

A4: Yes. We support OEM fastener production, including custom size, thread, material, surface finish, marking, packaging and drawing-based manufacturing.

Q5: How do you control fastener quality before shipment?

A5: We inspect dimensions, threads, surface finish, hardness and appearance before shipment. Inspection reports and related documents can be provided according to order requirements.

Q6: What information should I provide for a fast quotation?

A6: Please provide product name, standard or drawing, size, material, grade, surface finish, quantity, packaging requirement and application. This helps us offer an accurate quotation quickly.