Black Zinc Steel 4mm Slotted Round Head Machine Screws Phillips Combo Drive

Product Description:

Black Zinc Steel Phillips Slotted Combo Drive Round Head Machine Screw

Black Zinc Steel Phillips Slotted Combo Drive Round Head Machine Screw Made In China.

Machine Screws have a uniform diameter the entire length of the shaft as opposed to tapered screws which have a pointed tip.

We offer low carbon steel, medium carbon steel, alloy steel, stainless steel and brass, aluminum alloy Washers.

Machine Screws can be heated, oxidized black, galvanized, hot bucket galvanized, black zinc, copper plating, nickel plating, chromium plating, Dakota and other treatments to meet various corrosion resistance or strength requirements.

Please state this requirement in your inquiry.

Drawing:

Combination Slotted-Cross Recessed Round Head Machine Screws
ANSI/ASME B18.6.3-2010 Table20
d(ich)	dk(ich)		k(ich)		n(ich)		t(ich)
	min	max	min	max	min	max	min	max
#2	0.155	0.167	0.053	0.062	0.023	0.031	0.02	0.031
#3	0.18	0.193	0.069	0.078	0.027	0.035	0.023	0.036
#4	0.205	0.219	0.076	0.086	0.031	0.039	0.027	0.04
#5	0.231	0.245	0.085	0.095	0.035	0.043	0.03	0.045
#6	0.256	0.27	0.093	0.103	0.039	0.048	0.033	0.054
#8	0.306	0.322	0.11	0.12	0.045	0.054	0.041	0.058
#10	0.357	0.373	0.126	0.137	0.05	0.06	0.048	0.068
1/4	0.473	0.492	0.162	0.175	0.064	0.075	0.063	0.087
5/16	0.594	0.615	0.203	0.218	0.072	0.084	0.076	0.106
3/8	0.716	0.74	0.244	0.261	0.081	0.094	0.09	0.123

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.