3/16 1/4 5/16 3/8 1/2 5/8 7/16 Inch Imperial UNC UNF Black Oxide Alloy Steel Allen Hex Socket Head Cap Screws Bolts

Socket Head Cap Screws are also called Allen screw or Allen bolt, or simply a cap screw. Conforming to ASME / ANSI B18.3. the contact surfaces of this screw or bolt are protected from external damage. 

Socket Cap Heads are a widely used machine screw, which feature an internal socket drive, and are fastened with a Hexagonal/Allen key. Due to this, they are very versatile and easily accessible as the internal drive allows for a smaller head diameter than seen on other machine screws. These feature a Metric Fine Thread, meaning they have more threads per cm than a standard course pitch thread .these high-performance screws are designed to provide the strength and durability you need for your projects

Q1:Can I get a sample before i place an order?

Samples are available on most items.You can request a sample by contacting a sales representative , After you approve the sample , you could start ordering

Q2:What methods of payment do you accept?

We Accept T/T,L/C AT Sight, Western Union, Paypal , Visa,Master Card, Alibaba Pay.Trade Assurance

Q3:How long will it take for my order to arrive?                                                                           Orders generally arrive within 20-30 business days by Sea After we ship out, It will depend upon where you are from. Most orders ship within 25days 

Q4:Do you sell in small quantities

Generally for standard parts we accept small orders , but for Non-standard items , it will require a minimum quantity

Q5:How do you ensure the quality of your products?

Our quality system is compliant with the standards of ISO9001. All of our locations adhere to each of these requirements. The product we supply meets all applicable ISO DIN GB,ANSI,ASTM, JIS,BS specifications,And all the products will be inspected before shipping

Q6:Can you do OEM orders or do my brand packing for the fasteners

Yes , we can do OEM ,ODM orders and can do branded packaging

Q7:Can you develop non-standard fasteners and customized sizes

Yes , we support customized fasteners , just provide your specifications and requirements