Factory Best Countersunk Hex Head Machine Screws DIN7991

• Customization: Available
• Material: Stainless Steel
• Type: Round Head
• Model NO.: DIN7991
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN, GB, ANSI, BSW
• Grade: A2, A4
• Price: Low Price
• Term of Validity: 1 Year
• Quality: Good Quality
• Service: Good Service
• Transportation: Convenient
• Transport Package: Carton
• Specification: M3-M24
• Trademark: MIANXUAN
• Origin: China
• HS Code: 73181600
• Production Capacity: 30000tons/Year
• Package Size: 30.00cm * 40.00cm * 40.00cm
• Package Gross Weight: 20.000kg

Product Description

Introduction

We are a professional manufacturer of high quality fasteners specialized in:
Product Range: Bolts, Screws, Nuts, Thread Rods, Flat Washers, Stamping Parts, Automotive Parts, Special Parts, etc. 
Material: Stainless Steel, Carbon Steel, Brass, etc.
Standards: DIN, ISO, ANSI, ASME, BSW, JIS, etc.
Market: Europe, North America, South America, Asia, Mid-East, Africa, etc.

Our factory mainly produce with:
* Good Service / Reasonable price / Best quality.
* Customized products are also welcomed.

If you have any inquiries, pls feel free to contact us!

Product Description

Item	Hexagon Socket Countersunk Head Cap Screws DIN7991
Material	Carbon Steel, Stainless Steel, Brass, etc.
Size	M3-M24
Customization	Accepted as customer's drawing or sample
Finish	Plain, Black Oxide, Zinc Plated, Hot-Dip Galvanized, Electro Galvanized, Zinc Yellow-Chromate Plated, etc.
Grade	4.8, 5.6, 8.8, 10.9, 12.9, A2, A4, etc.
Standard	DIN, ISO, ANSI, ASME, BSW, JIS, etc.
Sample	Sample is free
Package	Bulk or small box in one normal carton then onto wooden pallet
Delivery time	30-60 days after receiving deposit
Market	Europe, North America, South America, Asia, Mid-East, Africa, etc.

Product Parameters

Screw Thread
d

M3

M4

M5

M6

M8

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

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

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