DIN7991 M2 M2.5 M3 M4 M5 M6 M8 Metric Stainless Steel Cross Recessed Phillips Flat Countersunk Head Machine Screw

• Material: Carbon Steel, High Strength 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.
• Head Style: Round
• Standard: DIN, GB, JIS, BSW, GOST
• Grade: 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Hot Galvanizing, Black, Zp with Blue,Zp with White
• OEM: as The Drawing or Samples
• Service: OEM/ODM
• Certification: ISO, RoHS, SGS, TUV
• Sample: Free
• Payment: T/T,L/C
• Delivery Time: 7-20 Days
• Thread: Full Thraed or Half Thread
• Size: M5-M100,1/4"-2-1/2"
• Head Mark: Customized
• Transport Package: 25 Kg/Carton+ Pallet
• Specification: M5-M100
• Trademark: QY
• Origin: Handan, China
• HS Code: 7318151001
• Production Capacity: 500ton/Month

Product Description

DIN7991  Hexagon Socket Countersunk bolt

1. Material:Q195/Q235 /10B21 /35K /#45/35Crmo/40Cr/20#/55#/42Crmo/20MnTiB/SS304/SS316 etc
2. Grade: 4.8,8.8,10.9,12.9
3. Size: M5-M100,1/4"-2-1/2"
4. Standard: DIN7991
5. Steel:CarbonSteel or Stainless Steel

 

1.Commodity      Name	DIN7991 Socket Countersunk bolt
2.Standard	DIN7991
3.Material	Carbon Steel,Alloy steel,Stainless steel
4.Grade	8.8 10.9 12.9 or as customer's requirement
5.Surface  treatment	Black,Zinc plated,Plain,Dacromet,Yellow Zinc Plated,HDG etc
6.Size	M3-M24or non-standard as request&design
7.Packing	By carbon , gunny bagor plastci bag then on wooden pallet or according to client's requirement
8.Samples	samples are free
9.Delivery	within 15-30 days after confirm the order
10.Payment Terms	T/T  or L/C
11.Place of Origin	handan,hebei, China

SIZE		M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20	(M22)	M24
d
P	P	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3
α	tol.(+2)	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	60°	60°
b	L≤125	12	14	16	18	22	26	30	34	38	42	46	50	54
	125	/	/	/	24	28	32	36	40	44	48	52	56	60
	L>200	/	/	/	/	/	45	49	53	57	61	65	69	73
dk	max=nominal size	6	8	10	12	16	20	24	27	30	33	36	36	39
	Min	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
ds	max=nominal size	3	4	5	6	8	10	12	14	16	18	20	22	24
	Min	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
e	Min	2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43	11.43	13.72	13.72	16	16
k	max	1.7	2.3	2.8	3.3	4.4	5.5	6.5	7	7.5	8	8.5	13.1	14
s		2	2.5	3	4	5	6	8	10	10	12	12	14	14
	Min	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
	max	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
t	max=nominal size	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
	Min	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

Mainly Product:

BOLT : DIN933, DIN931,DIN960,DIN961, DIN912,DIN603,DIN7985,DIN7991,DIN6921, ASME/ANSI B 18.2.1ASME/ANSIB18.2.3.1M,GB, BSW, ISO Hex bolt , carriage bolt, flange head bolt, achor bolt ect
NUT : DIN934,DIN6923,DIN985,DIN982,DIN6923,ISO4032 Hex heavy hex nut, 2H nut,A563/A563M Cap nut,Nylon nut, ect
ROD : Threaded Rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect
SCREW :hex screw,DIN912; self drilling screw, DIN7504; self tapping screw,DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect
WASHER : DIN125/ ASME/ANSI B18.22.1 USS/SAE, DIN126, DIN433, DIN440, DIN7349, DIN988, DIN9021,DIN127, lock washer,square washer,spring lock washer, plain washer ect
ANCHOR BOLT:wedge anchor,drop in anchor,Fix-bolt, expansion anchor bolt sleeve,
Window Expansion Anchor etc