Steel Zinc Plated ST2.2 to ST6.3 Phillips Flat Head Screws for Sheet Metal Self Tapping Screw

Steel Phillips Flat Head Screws for Sheet Metal

They're beveled under the head for use in countersunk holes. Screws penetrate 0.025" and thinner sheet metal.

This head is designed to sit flush with the surface of the material it is binding.A characteristic of flat head screws is the cone shaped bearing surface under the head.The general angle of this bevel is 82°in the Unified System and 90° in the Metric System.

Length is measured from the top of the head.

Product Drawings:

Cross recessed countersunk head self-tapping screws
ISO7050&GB/T 846-1985
d(mm)		ST2.2	ST2.9	ST3.5	ST4.2	ST4.8	ST5.5	ST6.3	ST8	ST9.5
P(mm)		0.8	1.1	1.3	1.4	1.6	1.8	1.8	2.1	2.1
dk(mm)	min	3.5	5.2	6.9	8	8.9	9.9	10.9	15.4	17.8
	max	3.8	5.5	7.3	8.4	9.3	10.3	11.3	15.8	18.3
k(mm)	max	1.1	1.7	2.35	2.6	2.8	3	3.15	4.65	5.25
Recessed NO.		0	1	2			3		4

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.