Flat Head Stainless Steel Self Tapping Screws Cross Recessed 4.2 X 16 DIN 7982
- Category: Screws >>>
- Supplier: Dongguan City Zhaoming Hardware Co. Ltd.
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Product Overview
Description
Flat Head Stainless Steel Self Tapping Screws Cross Recessed 4.2 X 16 DIN 7982
General Description
Stainless steel screws with flat head and cross recessed drive for screwdriver , standard tapping threads to under head and sharp point . Stainless steel screws are made of stainles steel grade 304 , widely used for building , furniture etc .
Technical Data
Material
Stainless steel 304
Physical Properties
Hardness ( HV ) | 20 | Yield Strength ( Mpa ) | 210 | Elongation ( % ) | 40 |
Tensile Strength ( Mpa ) | 530 | Torque | 2.5 | Reduction Area ( % ) | 60 |
Specification
Thread diameter | 4.2 |
|
Thread Length | 16 | |
Pitch | 1.2 | |
Head Diameter | 8.5 | |
Head Height | 3.5 | |
Drive | PH 2 |
Optional ANSI Threads Specification
| d | P | L |
| #0 | 40 | 3-5 |
| #1 | 32 | 4-8 |
| #2 | 32 | 4-10 |
| #3 | 28 | 5-12 |
| #4 | 24 | 5-15 |
| #5 | 20 | 8-20 |
| #6 | 18 | 8-25 |
| #7 | 16 | 8-30 |
| #8 | 15 | 10-30 |
| #10 | 12 | 10-60 |
| 1/4 | 14 | 15-80 |
| 5/16 | 12 | 20-100 |
| 7/16 | 10 | 30-200 |
Finish
Type | Thickness | Salty Spray Hours | RoHS / REACH |
Polish | 3 | 120 | RoHS |
Product Features
1 . Not easy to be rusted
Stainless steel screws normally will not be rusted within 5 years .
2 . Fast self drill performance
Self tapping threads can drill object as fast as possible with small power .
3 . No magnet
Usually , stainless steel screws are nearly not magnet .
4 . Strict sizes and tolerance
5 . Easy operation
6 . Long service
Applications
Stainless steel self tapping screws have a vast application for industrial areas
1 ) Household electrical appliances.
2 ) Furniture and lighting
3 ) Building
4 ) Mechanical machines .
5 ) Car industry
6 ) Office equipments .
Tips for Use
1 . Use a cross screwdriver bit to operate staniless steel screws .
2 . The thread moving direction is from right to left , 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 screws in the dry warehouse .
Packing Details
 |  |  |
| In Bulk ( Bags + Carton )
Kgs / Bag : 5 Kgs / CTN : 20 L X W X H : 20x 20 x 15 cm | Boxes ( Boxes + Carton )
Kgs / Box : 2 Kgs / CTN : 12 L X W X H : 20 x 20 x 15 cm | Pallet
Kgs / pallet : 1500
L X W X H : 1 x 1 x 1.5 m |
Remark : Custom packing is acceptable . Above packings are reference only , items showed in the pictures maybe not described one .
Our Services
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
FAQ's
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. What products you produce ?
A. We are proudce 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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