Countersunk Round Head Socket pH Recess Screws

• Customization: Available
• Material: Carbon Steel
• Type: Round Head
• Model NO.: DIN7991
• Connection: Common Bolt
• Head Style: Counter Sunk Bolt
• Standard: DIN
• Grade: 8.8
• Finish: Blue-White Zinc Plated
• Quality: High Strength
• Price: Reasonable Price
• Delivery: Quicky Production Time
• Reply: Within 48hours
• Surface: Zp, HDG, Geomet
• Packing: Customized
• Transport Package: Small Box, Color Box, PE Bag
• Specification: M6, M8, M10, M12, M14, M16
• Origin: China
• HS Code: 7318151001
• Production Capacity: 500tons/Month
• Package Size: 120.00cm * 80.00cm * 75.00cm
• Package Gross Weight: 300.000kg

Product Description

DIN7991

Product Parameters

 

d

P
α	tol.(+2)
b	L≤125
	125
	L>200
dk	=
ds	=
e
k
s
t	=

0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3
90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	60°	60°
12	14	16	18	22	26	30	34	38	42	46	50	54
/	/	/	24	28	32	36	40	44	48	52	56	60
/	/	/	/	/	45	49	53	57	61	65	69	73
6	8	10	12	16	20	24	27	30	33	36	36	39
5.7	7.64	9.64	11.57	15.57	19.48	23.48	26.48	29.48	32.38	35.38	35.38	38.38
3	4	5	6	8	10	12	14	16	18	20	22	24
2.86	3.82	4.82	5.82	7.78	9.78	11.73	13.73	15.73	17.73	19.67	21.67	23.67
2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43	11.43	13.72	13.72	16	16
1.7	2.3	2.8	3.3	4.4	5.5	6.5	7	7.5	8	8.5	13.1	14
2	2.5	3	4	5	6	8	10	10	12	12	14	14
2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	10.025	12.032	12.032	14.032	14.032
2.1	2.6	3.1	4.12	5.14	6.14	8.175	10.175	10.175	12.212	12.212	14.212	14.212
1.2	1.8	2.3	2.5	3.5	4.4	4.6	4.8	5.3	5.5	5.9	8.8	10.3
0.95	1.55	2.05	2.25	3.2	4.1	4.3	4.5	5	5.2	5.6	8.44	9.87

DIN931 DIN933 DIN960 DIN961 DIN558 DIN601 DIN7990 DIN603 DIN912 DIN7991 size from M5-M56
Class: 4.8 8.8 10.9 12.9
Finishing: Black, Phosphate, Zinc, HDG, Dacromet, Geomet
Material: Q195, 35K, 45K, 40Cr, 35Crmo, 42Crmo, B7, SS304, SS316
Packing: Small box, Bulk, Euro-pallets, special label/box etc.

Lead time: 30-50 days.

In case you need more info pls contact us without hesitate.
Welcome send us inquiry!
Inquirires will be offered on same day or by the 2nd working day!

Company Profile

 

NINGBO MIANXUAN FASTENERS CO.,LTD. is  a professional exporter specialized  in  fasteners products and located in Ningbo ,a beautiful city bordering on the East China Sea . The main products include various kinds of Bolts,Screws ,Nuts,Thread Rods,Stamping Parts that conform to the DIN,ISO, ANSI ,ASME ,BSW, J IS standards. The company also customizes non-standard items according to customer's requirements and specifications.

After a continuous creation and developmeht of last several years ,the company has accomplished great achievements and achieved a high degree of credibility through untiring endeavor. Our sales areas mainly cover Europe,North America and South America ,Russia,Mid-East ,Asia etc.

We are looking forward to establishing business relationship  with customers from all over the world for mutual development and a prosperous future.