12.9 ASME B18.3 Hex Socket Screws Shoulder Bolts for Mechanical Parts

• Material: Alloy Steel/Stainless Steel
• Type: Round 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.: 1/4′′ to 3/4′′
• Head Style: Round
• Standard: ANSI, ASME B18.3/ISO 7379
• Grade: 8.8/10.9/12.9
• Application: Machinery, Environmental, Building
• Finish: Polishing
• Customized: Accept
• Quality Certifications: ISO9001, IATF16949
• Exterior Finish: Black/Plain
• Sample Charge: Free
• Transport Package: Cartons+Pallets
• Specification: 1/4′′ to 2′′
• Trademark: JX
• Origin: Hangzhou/China
• HS Code: 7318150000
• Production Capacity: 2000 Tons Per Quarter
• Package Size: 26.00cm * 26.00cm * 14.00cm
• Package Gross Weight: 20.000kg

Product Description

Alloy Steel 12.9 Hex Socket Head Shoulder Bolt/Screw

1. Standard: ISO 7379/ASME B
2. Material: Stainless steel, SCM435 alloy steel, or according to client's requirement
3. Strength Grade: 8.8/10.9/12.9 or SS304/316
4. Diameter: 6-24mm (metric), 1/4''-3/4'' (inch)
5. Length: 8-180 mm, 3/8''-6'' inch, or according to client's requirement
6. Exterior Finish: Black, Plain or according to client's requirement
7. Non-standard: OEM is available, according to drawings or samples
8. Packing: General packing or according to requirement
9. Sample Charge: Standard samples are free

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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