DIN931 Bolt Custom Stainless Steel SS304 Half Threaded Hex Head Bolt for Industrial Applications

Product Description

China Fastener Stainless Steel A2-70 Partial Thread Hexagon Head Bolt ISO4014

Product Description

Product Name	Stainless Steel Hex Head Shoulder Bolt
Product Type	Hex Head Shoulder Bolt / Shoulder Screw
Standard	Custom Specification / Customer Drawing
Size Range	M4–M24; Standard and Custom Dimensions Available
Material	Stainless Steel 304 / Stainless Steel 316
Property Class	A2-70 / A4-70 / A4-80 Available
Thread Type	Metric Coarse Thread / Fine Thread
Shoulder Type	Precision Machined Shoulder Section
Surface Finish	Stainless Steel Natural Finish; Passivation Available
Customization	Shoulder Diameter, Shoulder Length, Thread Size, Head Dimensions, Material, Surface Finish, Marking and Packaging
Packaging	Bulk Packing, Box, Carton, Pallet or Customized Export Packaging
OEM / ODM	Available according to Drawings, Samples or Technical Requirements

Thread Size d			M16	M20	M24	M30	(M33)	M36	(M39)
P	Thread Pitch		2	2.5	3	3.5	3.5	4	4
b	Ref.	L≤125	38	46	54	66	72	78	84
		125 L≤200	44	52	60	72	78	84	90
		L 200	57	65	73	85	91	97	103
c	min		0.2	0.2	0.2	0.2	0.2	0.2	0.3
	max		0.8	0.8	0.8	0.8	0.8	0.8	1
da	max		17.7	22.4	26.4	33.4	36.4	39.4	42.4
ds	max=nominal size		16	20	24	30	33	36	39
	min	Grade A	15.73	19.67	23.67	-	-	-	-
		Grade B	15.57	19.48	23.48	29.48	32.38	35.38	38.38
dw	min	Grade A	22.5	28.2	33.6	-	-	-	-
		Grade B	22	27.7	33.2	42.7	46.6	51.1	55.9
e	min	Grade A	26.75	33.53	39.98	-	-	-	-
		Grade B	26.17	32.95	39.55	50.85	55.37	60.79	66.44
k	Nominal Size		10	12.5	15	18.7	21	22.5	25
	Grade A	min	9.82	12.28	14.78	-	-	-	-
		max	10.18	12.72	15.22	-	-	-	-
	Grade B	min	9.71	12.15	14.65	18.28	20.58	22.08	24.58
		max	10.29	12.85	15.35	19.12	21.42	22.92	25.42
k1	min		6.8	8.5	10.3	12.8	14.4	15.5	17.2
r	min		0.6	0.8	0.8	1	1	1	1
s	max=nominal size		24	30	36	46	50	55	60
	min	Grade A	23.67	29.67	35.38	-	-	-	-
		Grade B	23.16	29.16	35	45	49	53.8	58.8

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Company Profile

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.