M2 M2.5 M3 M4 M5 M6 M8 DIN7991 Black Steel Countersunk Hex Head Allen Bolts Hex Socket Screws

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Price:$0.01 - $0.20
Price in USD:Details


Product Overview


M2 M2.5 M3 M4 M5 M6 M8 DIN7991 Black Steel Countersunk Hex Head Allen Bolts Hex Socket Screws

Product Description


Product Name

Allen Hex Socket Countersunk Flat Head Screw Bolts


ISO 4017. DIN933 DIN931 DIN934 DIN912 DIN603 DIN6923,GB5783,ASTM,ANSI,JIS

Bolts Diameter

M2 - M100



Bolts Head Type

Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc

Surface Treatment

Zinc Plated (Yellow, White, Blue, Black), Hop Dip Galvanized (HDG) phosphorization, Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated, Brass Plated, Tin Plated, Black Plated, Copper Plated, Gold Plated, Salt fog test

Manufacturing Process

Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing


+/-0.01mm to +/-0.05mm


Wind tower, Nuclear power, Railway, Automotive industry, Construction, Electronic industry


Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts, Hex Head Nut, Eye Nut, Dome Nut, Coupling Nut, Square Nut, Acorn Nut,Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Socket Head Screws, Concrete Screws, Shoulder Screws, Threaded Screws, Machine Screws, Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer etc.


Custom size or type is available




Company Information

 YIli fastener

Packaging & Shipping

 packing and shipping



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

0.0102 s.