Payment & Shipping Terms:
|Material:||Carbon Steel||Property Class:||6.8|
stainless steel security screws,
stainless steel machine screws
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