Material SUS304 Corrosion Resistance International Standard M4*25mm Hex Socket Shoulder Bolt

• Material: Carbon Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: M2-M16
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW
• Grade: 12.9
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Polishing
• Surface Treatment: Green, Black, SUS304 Original Color, etc
• Rod Length: 12mm, 16mm, 20mm, etc
• Rod Diameter: 6, 8, 10, 12
• Delivery Time: ASAP
• Sample: Free Sample
• International Grade: 12.9
• Bolt Head: Hexagon Socket Head
• Payment Term: 50% Prepayment/50% Upon Bill Copy
• Product International Code: ISO7379
• Certificate: SGS, ISO9001.IATF16949
• Service: After-Sales Service
• Transport Package: Cartons+Plastic Bags
• Specification: 26.00cm * 26.00cm * 14.00cm
• Trademark: JX
• Origin: Hangzhou Zhejiang
• HS Code: 731815
• Production Capacity: 2000 Ton/Tons Per Quarter
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 8.000kg

Product Description

FAQ

 

 

 

Company Profile

 

Hangzhou Jiangxin Industry Co., Ltd

 

Established in 2004, Hangzhou Jiangxin Industry Co., Ltd is a national high-tech enterprise and a scientific and technological enterprise in Zhejiang Province. We are a professional fastener manufacturer that integrates production, research and development, and sales. With our world-class fastener production equipment and advanced ERP system for management, we ensure top-notch quality and efficiency.

 

 

Our company holds the ISO9001 international quality management system certification and operates distribution outlets and logistics distribution centers in East China. We specialize in producing and supplying a wide range of standard and non-standard high-strength bolts and advanced expansion bolts. Our materials include various carbon steel and stainless steel 304 and 316, meeting German standards (DIN), American standards (ANSI, ASME), international standards (ISO), national standards (GB), Japanese standard (JIS), British standard (BSW), and more.

 

Our products are widely used in high-speed rail, automobiles, ships, machinery, molds, electronics, and construction, among other fields. Known for their excellent performance, fast installation, beautiful appearance, compatibility, and stability, our fasteners are highly favored by both Chinese and foreign merchants.

 

Business Varieties:

 

• Bolts: outer hexagonal bolts, inner hexagonal bolts, carriage bolts, flange bolts, etc.


• Screws: machine screws, drilling screws, set screws, 12.9-grade plug screws, hexagonal wood screws, self-tapping screws


• Nuts: hexagonal nuts, K caps, nylon, stamped metal self-locking nuts, hexagonal flange nuts, cap nuts, rivet nut series, etc.


• Others: semi-hollow rivets, step rivets, and various non-standard tightening customization of firmware

 

 

Product Parameters

Unit: inch (ASME)
		φ1/4	φ5/16	φ3/8	φ1/2	φ5/8	φ3/4
ds	max	0.248	0.3105	0.373	0.498	0.623	0.748
	min	0.246	0.3085	0.371	0.496	0.621	0.746
dk	max	0.375	0.438	0.562	0.75	0.875	1
	min	0.357	0.419	0.543	0.729	0.853	0.977
k	max	0.188	0.219	0.25	0.312	0.375	0.5
	min	0.177	0.209	0.24	0.302	0.365	0.49
s	nominal	0.125	0.156	0.188	0.25	0.312	0.375
t	min	0.094	0.117	0.141	0.188	0.234	0.281
d	nominal	10#	1/4	1/3	3/8	1/2	5/8
	nominal dia	0.19	0.25	0.3125	0.375	0.5	0.625
PP	T	24	20	18	16	13	11
b	thread length	0.375	0.438	0.5	0.625	0.75	0.875

 

 

Unit: mm (ISO 7379)
d			M5	M6	M8	M10	M12	M16	M20
P	thread pitch		0.8	1	1.25	1.5	1.75	2	2.5
ds	nominal		6.5	8	10	13	16	20	25
	max		6.487	7.987	9.987	12.984	15.984	19.98	24.98
	min		6.451	7.951	9.951	12.941	15.941	19.928	24.928
b	max		9.75	11.25	13.25	16.4	18.4	22.4	27.4
	min		9.25	10.75	12.75	15.6	17.6	21.6	26.6
dk	Flat Head	max	10	13	16	18	24	30	36
	Knurled	max	10.22	13.27	16.27	18.27	24.33	30.33	36.39
	min		9.78	12.73	15.73	17.73	23.67	29.67	35.61
k	max		4.5	5.5	7	9	11	14	16
	min		4.32	5.32	6.78	8.78	10.73	13.73	15.73
s	nominal		3	4	5	6	8	10	12
	max		3.08	4.095	5.095	6.095	8.115	10.115	12.142
	min		3.02	4.02	5.02	6.02	8.025	10.025	12.032
t	min		2.4	3.3	4.2	4.9	6.6	8.8	10
g1	max		2.5	2.5	2.5	2.5	2.5	2.5	3
g2	max		2	2.5	3.1	3.7	4.4	5	6.3
ds1	max		3.86	4.58	6.25	7.91	9.57	13.33	16.57
	min		3.68	4.4	6.03	7.69	9.35	12.96	16.3
e	min		3.44	4.58	5.72	6.86	9.15	11.43	13.72
r	min		0.25	0.4	0.6	0.6	0.6	0.8	0.8

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