
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 .
Material
Hex washer head thread cutting screws are made from stainless steel
Specification
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 # | |
min | max | min | ||
4 | 0.195 | 0.225 | 0.086 | 1 |
5 | 0.220 | 0.252 | 0.089 | 2 |
6 | 0.244 | 0.279 | 0.106 | 2 |
7 | 0.268 | 0.305 | 0.114 | 2 |
8 | 0.292 | 0.332 | 0.121 | 2 |
9 | 0.316 | 0.358 | 0.136 | 2 |
10 | 0.34 | 0.385 | 0.146 | 2 |
12 | 0.389 | 0.438 | 0.156 | 3 |
14 | 0.437 | 0.491 | 0.171 | 3 |
1/4 | 0.452 | 0.507 | 0.171 | 3 |
5/16 | 0.568 | 0.635 | 0.216 | 4 |
3/8 | 0.685 | 0.762 | 0.245 | 4 |
1/2 | 0.775 | 0.875 | 0.276 | 4 |
ANSI Standard thread cutting screws flat head
Physical Performance
.
Case hardness : HV600
Core hardness : HV500
Carburizing depth : 0.01 min
Tensile Strenght : 600 N/mm2
Finishing
Finishing | Characteristics |
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 .
FAQs
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 .
(6) Delivery
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 group1@vedali.com .for more information about screws .
VEDALI HARDWARE CO., LTD
With many years reputation in hardware filed , VEDALI HARDWARE CO., LTD has entered hardware filed and gained much development in these years , we have over 100 employees and 20 engineers on researching and development , and several branches that are specialized in different hardware for vast demands .
Our product range covers Fasteners ( Screws , Bolts , Nuts , Rivets , Washers , Pins ) , Stamping Parts , Machined Parts , Plastic Injection Molded Parts Which are made of or from different materials for every field in industry , Agriculture and Service . We own advanced process machines and experienced skilled workers to ensure products are manufactured in high quality . We are able to proceed special designs for new projects and provide good solutions to difficult problems during operations , and OEM services are available for us as well .
We carry out ISO management system for our normal managements and put more good management styles based on hommization , efficiency , technicalization according to our actual situations . Our products are sold to the most countries or areas in the world and serve many fields , welcome you to send enquiries to us and looking forward to cooperation .