Zinc Plated, Black, HDG and Stainless Steel Hex Flange Head Screw

• Material: Carbon Steel and Stainless Steel
• Type: Hexagon Head With Flange
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS
• Grade: 12.9
• Model NO.: 1/4"-1"
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Pl,Zp,Black,HDG,Dacromet etc
• Transport Package: 25 Kg of Socket Bolt/ Carton, 36 Cartons/Pallet.
• Specification: M3-30
• Trademark: WELLBOLT
• Origin: China
• HS Code: 7318150000
• Production Capacity: 1000 Tons Per Year, 200t/Month

Product Description

Zinc plated, black, HDG and stainless steel Hex flange head screw

Screw Thread		M5	M6	M8	M8	M10	M10	M10	M12
d
P	Pitch	0.8	1	1	1.25	1	1.25	1.5	1.25
b	L≤125	16	18	22	22	26	26	26	30
	125	/	/	28	28	32	32	32	36
	L>200	/	/	/	/	/	/	/	/
dc	max	11.8	14.2	18	18	22.3	22.3	22.3	26.6
ds	max	5	6	8	8	10	10	10	12
	min	4.82	5.82	7.78	7.78	9.78	9.78	9.78	11.73
k	max	5.4	6.6	8.1	8.1	9.2	9.2	9.2	11.5
s	max=nominal size	8	10	13	13	15	15	15	16
	min	7.78	9.78	12.73	12.73	14.73	14.73	14.73	15.73
Screw Thread		M12	M12	M14	M14	M16	M16	M20	M20
d
P	Pitch	1.5	1.75	1.5	2	1.5	2	1.5	2.5
b	L≤125	30	30	34	34	38	38	46	46
	125	36	36	40	40	44	44	52	52
	L>200	/	/	/	/	57	57	65	65
dc	max	26.6	26.6	30.5	30.5	35	35	43	43
ds	max	12	12	14	14	16	16	20	20
	min	11.73	11.73	13.73	13.73	15.73	15.73	19.67	19.67
k	max	11.5	11.5	12.8	12.8	14.4	14.4	17.1	17.1
s	max=nominal size	16	16	18	18	21	21	27	27
	min	15.73	15.73	17.73	17.73	20.67	20.67	26.67	26.67