ISO7379 Grade 12.9 Alloy Steel M20 Allen Socket Head Stripper Bolts

• Customization: Available
• Material: High Strength Steel
• Type: Round Head
• Model NO.: M20
• Head Style: Hexagonal
• Standard: ANSI, ISO7379/ASME B18.3.4
• Grade: 12.9
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Polishing
• Management System Certificate: ISO 9001, IATF16949
• Customized: Accept
• Material Available: Scm435 Alloy Steel/Stainless Steel 304/316
• Strength Grade: 8.8/10.9/12.9 or Customized
• Sample Charge: Free
• Delivery Time: 7-25 Days
• Transport Package: Cartons + Pallets
• Specification: M12
• 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: 22.000kg

Product Description

Alloy Steel 12.9 Hex Socket Head Shoulder Bolt/Screw

1. Standard: ISO 7379/ASME B18.3.4
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/ODM 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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