Self drilling hexagon head screw washer faced DIN7504K Steel Zinc Plated ST4.8

Product Description:

Standard DIN7504K similar to ISO15480.

Zinc Plated Thickness:3-8um.

Salt Spray Test can be 24h to 96h according to your request.

Technical Information:

Hexagon head drilling screws with tapping screw thread with collar
DIN 7504K-1995
d(mm)	P(mm)	h(mm)	dc(mm)		k(mm)		s(mm)		dp
		min	min	max	min	max	min	max	max
ST2.9	1.1	0.4	5.8	6.3	2.5	2.8	3.82	4	2.3
ST3.5	1.3	0.6	7.6	8.3	3	3.4	5.32	5.5	2.8
ST3.9	1.3	0.6	7.6	8.3	3	3.4	5.32	5.5	3.1
ST4.2	1.4	0.8	8.1	8.8	3.6	4.1	6.78	7	3.6
ST4.8	1.6	0.9	9.8	10.5	3.8	4.3	7.78	8	4.1
ST5.5	1.8	1	10	11	4.8	5.4	7.78	8	4.8
ST6.3	1.8	1	12.2	13.5	5.3	5.9	9.78	10	5.8

Production Workshop:

Packing:

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory and OEM are available.

Q: How long is your delivery time?

A: Generally it is 2-5 days if the goods are in stock,or it is 15-30 days if the goods are not in stock, it is according to quantity.

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 cost of freight.

Q: What is your terms of payment ?

A: 30% T/T in advance ,balance before shipment or L/C.
If you have another question, please feel free to contact us.