High Quality Steel Zinc Plated Customized Flat Head with Cross Recessed St4.8 Self Drilling Screws for Metal

• Customization: Available
• Material: Stainless Steel
• Type: Hexagon Head
• Model NO.: Self Drilling Screws
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, GB, ANSI, BSW, Per Customers′ Desire
• Grade: A2;A4
• Size: M4~M20
• Name: Stainless Steel Coach Screw
• Used: Machinery, Chemical Industry, Environmental
• Available Material: Carbon Steel, High Strength Steel, Stainless Steel
• Head Type: Hexagon, Round, Square, Countersunk, Pan, Mushroom
• Screw Groove: Triangle, Cross, Flower, Flower Word, Special Sha
• Screw Head Style: Round, Hexagonal, Counter Sunk Bolt, Square
• Transport Package: 25*16*25cm Carton Box, Then Polywood Box Packed
• Specification: SGS; ROHS
• Trademark: Hande
• Origin: Jiangsu
• HS Code: 73181200
• Production Capacity: 100tons/Month

Product Description

Hot Sale Stainless Steel 304/316 M4X30 DIN571 Coach Screw

                                             DIN571

                                                             Dimensions : Millimeter (mm)

Thread Specification d		4	5	6	(7)	8	10	12	16	20
ds	Max	4	5	6	7	8	10	12	16	20
	Min	3.52	4.52	5.52	6.42	7.42	9.42	11.3	15.3	19.3
k	Nominal	2.8	3.5	4	5	5.5	7	8	10	13
	Max	3.1	3.88	4.38	5.38	5.88	7.45	8.45	10.45	13.9
	Min	2.5	3.13	3.63	4.63	5.13	6.55	7.55	9.55	12.1
s	Max=Nominal	7	8	10	12	13	17	19	24	30
	Min	6.64	7.64	9.64	11.57	12.57	16.57	18.48	23.16	29.16

Note : The data is for reference only . 


 
SAMPLE CHARGE:

1.Samples charge:  According to your request.  Sampling time:5-7days                      
2.Samples charge: Free for Existing Mold.    Sampling time:3days

ADVANTAGES:
1.Rapid Response;   
2.Shortest Delivery; 
3.Low MOQ;   

CHEMICAL COMPONENTS
Material	C ≤	Si ≤	Mn ≤	P ≤	S ≤	Ni	Cr	Mo	Others
201	0.15	1	5.5-7.5	0.06	0.03	3.5-5.5	16-18		N≤0.25
304	0.08	1	2	0.045	0.03	8.0-10.0	18-20
304L	0.03	1	2	0.045	0.03	8.0-12.0	18-20
321	0.08	1	2	0.045	0.03	8.0-13.0	17-19		Ti≤5*C%
316	0.08	1	2	0.045	0.03	10.0-14.0	16-18	2-3
316L	0.03	1	2	0.045	0.03	10.0-15.0	16-18	2-3
309S	0.08	1	2	0.045	0.03	12.0-15.0	22-24
410	0.15		1		0.03	-	11.5-13.5
420	0.26-0.4		1		0.03	-	12-14
430	0.12	0.75	1	0.04	0.03	-	16-18

 

FAQ:
 

Q: Are you trading company or manufacturer ?

A: We are manufacturer .

Q: How long is your delivery time?

A: Generally it is 7-15 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to specific item and quantity.

Shortest Delivery: We have large stock, 3 days for stock items,7-15days for production. 

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the shipping cost.
Q: What is your terms of payment ?
A: Less than USD5000-----------100% T/T in advance.
    More than USD5000-----------50% T/T in advance ,balance before shippment.
    Other terms is welcome.   

Q: What is your price terms ?
A: EXW/FOB/CIF/CFR/FCA/CPT/CIP/DAP/DDP

Q:What's your product range?
A:  Our product range includes screws, nuts, knobs, bolts, washers, rivet, anchor and CNC parts. We strictly implement various quality standards like GB, ISO, DIN, JIS, AISI NFE and BSW.Non-standard products also accepted.

Q:Why should I choose you? What's your advantages? Industries you are serving?
A: We are a professional manufacturer and have many years production and management experience in the field of fasteners .We can provide our customers with a good solution in the area of production design, production process,packaging and after-sale service.Customer satisfaction is our sole pursuit.