Screws M4*15mm Stainless Steel Ss304 Ss316 Cross Recessed Countersunk Head Screws

Screw for the daily life of the indispensable industrial necessities: such as cameras, glasses, clocks, electronics and other use of small screws;General screws for TV, electrical products, Musical Instruments, furniture, etc.As for engineering, construction and bridge, large screws and nuts are used.Transportation equipment, aircraft, trams, cars and so on for the size of the screw.Screws have an important role in industry, and as long as there is industry on the earth, the function of screws will always be important.Screw is a common invention in people's production and life for thousands of years. In terms of application field, it is the first great invention of human beings.

1. Certification: ISO, ROHS, SGS
2. Available Standard: DIN, ANSI, ASTM, JIS, BSW
3. Strength: Grade 4.8,Grade 8.8,Grade10.9,Grade12.9 A2-70, A4-70, A4-80
4. Finishing: Yellow, blue, white zinc plated, Galvanized,HDG,Chromate,Dacromet
5. Available material: Carbon steel, stainelss steel SS304, A2 ,Stainless steel SS314,A4.
6. Size: M2-M100, Length: 5-300mm, Moq: 500pcs, Port: Shenzhen, Shanghai
7. Available Packing: Plastic bags+Chipboard Cartons+Plywood pallet with Belt &Film.

Packing & Shipping

Package details:

1) Sample order, 20/25kg per carton with our logo or neutral package;

2) For Large orders, we can custom packaging;

3) Normal Packing: 1000/500/250pcs per small box. then into cartons and pallet;

4) According to customers' requirements.

FAQ

1.How do you let me trust you?
We are a Golden supplier in Alibaba who do business for more than 5 years. You can make an order by Alibaba to us directly.

2.How about your price?
High-quality products with a reasonable price suitable for your market.

3.How do you control your quality?
We request a QC inspection for each batch of goods. And we can provide you inspection report and mill certificate if you want..

4.Could you provide free samples?
For new customers, We can provide free samples for standard fasteners. But the clients will pay the express charges. For regular customers, We will send you free samples and pay express charges by ourselves.

5.How about your delivery time?
Generally speaking, All the goods have stock with little quantity, we can delivery them with one week. If the quantity is 1-2container, we can give you with 30-45days.

6.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallet is about 900-960kg, We also can make the customer's logo on the cartons. Or we customized cartons according to customers' requirement, If you need small box packing, we can do according to your requirement.

7.What is your payment term?
We can accept T/T,LC for general order. For new customer, we request 20%-50% T/T in advance, and balance payment should against B/L copy. For regular customer, we can provide delay payment after B/L date about 30-90 days.

Thread size		6#	8#	10#	12#	1/4	5/16	3/8	7/16	1/2	9/16	5/8	3/4
d		0.138	0.164	0.19	0.216	0.25	0.3125	0.375	0.4375	0.5	0.5625	0.625	0.75
PP	UNC	32	32	24	24	20	18	16	14	13	12	11	10
PP	UNF	40	36	32	28	28	24	24	20	20	18	18	16
s	MAX	0.312	0.344	0.375	0.438	0.438	0.5	0.562	0.688	0.75	0.875	0.938	1.125
s	MIN	0.302	0.334	0.365	0.428	0.428	0.489	0.551	0.675	0.736	0.861	0.922	1.088
e	MAX	0.361	0.397	0.433	0.505	0.505	0.577	0.65	0.794	0.866	1.01	1.083	1.299
e	MIN	0.342	0.381	0.416	0.488	0.488	0.557	0.628	0.768	0.84	0.982	1.051	1.24
dc	MAX	0.422	0.469	0.5	0.594	0.594	0.68	0.75	0.937	1.031	1.188	1.281	1.5
dc	MIN	0.408	0.452	0.48	0.574	0.574	0.66	0.728	0.91	1	1.155	1.248	1.46
k	MAX	0.171	0.203	0.219	0.236	0.236	0.283	0.347	0.395	0.458	0.506	0.569	0.675
k	MIN	0.156	0.187	0.203	0.222	0.222	0.268	0.33	0.375	0.437	0.483	0.545	0.627
h	MIN	0.02	0.02	0.03	0.04	0.04	0.04	0.04	0.04	0.05	0.05	0.05	0.06