DIN 7991 Countersunk Head Screws

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Jiaxing City Qunbang Hardware Co., Ltd

City: jiaxing

Province/State:zhejiang

Country/Region:china

Tel:86-573-82071082

Contact Person:
Mr.Lance View Contact Details

DIN 7991 Countersunk Head Screws

Brand Name	QBH
Model Number	DIN7991
Place of Origin	CHINA
Minimum Order Quantity	900kg
Payment Terms	L/C, T/T
Delivery Time	30days
Packaging Details	25kg Carton+900kg/Pallet
Certification	ISO9001
Price	Negotiation
Supply Ability	200TON/MONTH
Material	Carbon steel
Size	M3-M24
Surface treatment	Plain,Zinc,Black
Grade	6.8/8.8/10.9/12.9
Process	Cold Forming
Sample	Free Sample
Packaging	25kg Carton+900kg/Pallet

Detailed Product Description

DIN 7991 Flat Black Zinc M3 To M24 Countersunk Head Screws

Flat head countersunk socket cap screws DIN 7991 are not intended for high strength application. The purpose of producing them with a strength of the property class 10.9 is to increase the wear resistance of the sockets.

Current norm: DIN EN ISO 10462
Equivalent norms: ISO 10642; UNI 5933;

Screw Thread
d

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

P	Pitch
α	tol.(+2)
b	L≤125mm
	125＜L ≤ 200
	L＞200
d_k	max=nominal size
d_k	min
d_s	max=nominal size
d_s	min
e	min
k	max
s	Nominal Size
	min
	max
t	max=nominal size
t	min

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

Product Tags: DIN 7991 Countersunk Head Screws M24 Countersunk Head Screws Metric Flat Countersunk Head Cap Screw

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DIN 7991 Countersunk Head Screws

DIN 7991 Countersunk Head Screws

Current norm: DIN EN ISO 10462Equivalent norms: ISO 10642; UNI 5933;

QBH Yellow Zinc Plated YZP Socket Notch CKS Countersunk Head Self Drilling Screws

QBH Color Zinc Plated Hex Socket Groove Big Flat Head Self-Drilling Screw

QBH ZP Plain HDG Black Carbon Stainless Steel Self Tapping Self Drilling Saw Thread Screws

IFI 502 Metric Slotted Pan Head Tapping Screws

JIS B 1115 Slotted Pan Head Tapping Screws

Ifi 148 Flat Head Projection Weld Studs Screws For Sturdy Welding Connections

Current norm: DIN EN ISO 10462
Equivalent norms: ISO 10642; UNI 5933;