Payment & Shipping Terms:
|Material:||Carbon Steel||Property Class:||6.8|
stainless steel security screws,
stainless steel machine screws,
hex washer head thread cutting screw
Stainless Steel Metal Screws Thread Cutting Hex Washer Head Type 17 Screw
Stainles steel hex washer head thread Cutting Screw is with a cutting on the thread point which is benefit for improving drilling speed , it is suitable for wooden pieces or plastic sheets .
The point usually is designed as sharp point ( type 17 ) and the cutting length covers 3 or 4 threads normally .
Hex washer head thread cutting screws are made from stainless steel
There are many standards for thread cutting screws DIN ,ANSI and ISO , for example ANSI standard is scope from #2 to 1/2 usually
|Normal sizes (#)||D||H||PH #|
ANSI Standard thread cutting screws flat head
Case hardness : HV600
Core hardness : HV500
Carburizing depth : 0.01 min
Tensile Strenght : 600 N/mm2
|Zinc||Various color can be choosed and perfect on anti-corrosion|
|Nickel||Make the surface of the screws more bright and hardened and the performance of screws will be improved|
|Polish||Improving the brightness of surface but is inferior is not as zinc in anti-corrosion|
|Tin||it is very perfect to be anti-rust , and widely used to components|
|Brass||It is usually used with Nickel for more good anti-corrrosion.|
|Dacromet||Is used for screws with big sizes and can stop screws to be rusted long time even under bad surroundings .|
Optional Head Types
We provide many different head drives ( sockets ) like CSK or FLAT ,OVAL ,TRUSS ,PAN ( JIS / ANSI ) and BINDING etc as following showed .
Q. How about your capacity ?
A. We have scores of advanced machines with two shifts every day , we can manufacture about 100 tons each month .
Q. How long I can get samples for approval before placing order ?
A. We can deliver samples within one day for stock , and only one week for new built samples that including built-time for mold or tool .
Q. What are your popular payment methods ?
A. T/T is our prior choose , of course , we are also accept L/C , Western union , paypall .
Q. Would you provide OEM/ODM service ?
A. OEM/ODM are welcome for us .
Q. How about your After-sales service ?
A. We are very please to get feedback about our goods from you , we will settle your any issue or trouble or other you required question in connection with our goods within 24 hours .
Q. What materials you usually use ?
A. We usually use Carbon steel ( available Grade 2 to Grade 10 ) , Stainless Steel ( Serial from 200 to Serial 400 ) , Brass ( H59 , H60 , C36000 etc ) ; Aluminum , Bronze and Copper .
Q How you control quality ?
A (1) Checking material before feed in
all material must be checked according to the requirements of products before start production .
(2) IPQC ( by handle and auto-machined control )
The semi-finished products must be checked during production to ensure products are always under control .
(3) Chemical elements analysis and physical testing after post treatment
The most metal products need post treatment after formed, we check different performance according requests ..
(4) The second inspection , sort all finished goods by sorting machines if required ;
Good must to be checked in full inspection or partial inspection by handle or auto-machines before packing .
(5) Last inspection ( spot checking , packages status , quantity etc )
When all goods are ready , we make a final inspection for quantity and package’s status .
Everything is ready , we deliver goods to appointed place or port that negotiated .
It is over 10 years that we are in fastener field and manufacture various screws , please contact us by phone 86-769-82601418 or email us via firstname.lastname@example.org .for more information about screws .
Contact Person: MR.LIN