Stainless steel hex washer head thread cutting screws Type 17 for Wooden Plastic Fastener
Stainless steel hex washer head thread cutting screws Type 17
Thread cutting screws are made from stainless steel grade 304 with polish finsih , self tapping threads with a cutting point type 17 , this design is used for drilling material as soon as possible . and they are normaly usd to sheet metal . there is a another thread cutting screws with type 23 that with same fucntion but just machine threads and flag point .
Material
Stainless steel
Physical Properties
Hardness ( HV ) | 20 | Yield Strength ( Mpa ) | 320 | Elongation ( % ) | 35 |
Tensile Strength ( Mpa ) | 520 | Torque | 7.5 | Reduction Area ( % ) | 45 |
Specification
Thread diameter | 4 |
|
Thread Length | 20 | |
Pitch | 1.2 | |
Head Diameter | 9.5 | |
Head Height | 3.2 | |
Drive | Hex |
Finish
Type | Thickness | Salty Spray Hours | RoHS / REACH |
Polish | 5 | 96 | RoHS |
1 . Quick drilling performance
Thread cutting screw with cutting point that help screws can be drilled fast .
2 . Not easy to be backed out
Cutting thread design not only for quick drilling , but also make screws not easy backed out or slipped .
3 . Harden material
4 . Not easy to be broken
5 . Long service
Thread cutting screw with type 17 are normally used for sheet metal ,especially for building . window and door , metal floor, steel structure and building beam etc
1. Use a cross wrench to drive thread cutting screw .
2. The thread moving direction is from right to left to drill into workpiece , and back out in reverse direction .
3. Do not use a sharp tool or bladed tool to drive the screws .
4. Do not scratch the screw in harden something in order to keep bright surface .
5. Keep screw in the dry warehouse .
 |  |  |
| Bags ( Bags + Carton )
Kgs / Bag : 3 Kgs / CTN : 15 L X W X H : 20 x 20 x 15 cm | Boxes ( Boxes + Carton )
Kgs / Box : 1.5 Kgs / CTN : 15 L X W X H : 25 x 25 x 15 cm | Pallets
Kgs / Pallet : 1200
L X W X H : 1 x 1 x 1.2 m |
Remark : Custom packing is acceptable . Above packings are reference only , items showed in the pictures maybe not described one .
We are one of hardware spare parts manufacturers in China , we provide various metal and non-metal parts with standards and customizations , eg. Fastener Screws ( including Stainless steel screws ) , Spacers Washers , Fastener Nuts bolts , Fastener Pins , Fastener Rivets , Metal Stamping Parts , Metal Machined Parts , Plastic Injection molding Parts . and Fastener Tools . We trade with buyers , wholesalers and retailers from different countries . We accept OEM and ODM service as well . Please contact us if you have any enquiry .
Q What is your production capacity ?
A. We are able to finish up to 2000 tons raw material every year , generally , one full 20 feet container ( about 20 tons) can be done in 20- 25 days .
Q.How long I can get samples for approval before placing order ?
A. Just in one week for new samples that need to be done in new tools , and we can deliver samples within 24 hours for exsiting samples once received your request .
Q.What are your popular payement menthods ?
A. T/T is our prior choose for all , of course , we are also accept L/C , Westunion , paypall .
Q . Can you provide custom service ?
A . Yes , we provide standard and custom service for all our products .
Q. What products you produce ?
A. We are produce different hardware spare parts , stamping part , plastic injeciton molding parts and fasteners like screws , bolt , nuts , pins , rivets and spacers washers etc
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