
Black Steel Truss Head Self Tapping Screws Mushroom 4.2 mm Harden Fasteners
Truss head self tapping screw , sharp point with black oxide finishing , harden material and self locking performance .
Features
1 , Harden material
Core hardness over HV350
2 , Quick secure performance
Sharp point and blade thread ensure drilling speed as fast as much .
3 , No burrs
4 , Easy to be installed
Strict dimension and standard PH drive .
Thread diameter | 4.2 |
Thread length | 12.7 |
Head height | 2.35 |
Head diameter | 9.5 |
Head drive | PH2 |
pitch | 1.41 |
Point Type | A |
Standard | DIN 7982 |
Tolerance | 0.05 |
Physical Data | |
Material | SWRCH1022 |
Case hardness | HV550 |
Core hardness | HV350 |
Tensile strength | 540 |
Torque | 15 |
Density | 7.85 |
Finishing | oxide |
Color | Black |
Finishing thickness | 3 um |
Eco-friendly | RoHS |
Shipment | |
Weight /pcs g | 1.52 |
QTY/box PCS | 1000 |
Volume / box CBM | 0.005 |
Note : all dimensions are millimeters
Truss head self tapping screws sharp point
Truss head self tapping screws with self tapping threads which used to lock metal or wooden parts , operated in a electric drill or by hand . There are several tips for installation
◎ Make sure screws are straight into material when you are ready to drive .
◎ Do not put much force on screws at the beginning
◎ Pre-drill a hole that is 1/3 length of sharp point before installation
◎ Screwdriver bit specification must to be suitable for drive on screws
◎ Do not strike screw in hammer or other tool without screwing operation
We can provide more drives for screws for convenient operations .
Phillips ( PH ) SLOT PH / SLOT TORX POZI
SLOT / POZI SQUARE PH / SQUARE TRIANGLE DOUBLE V
Y SOCKET TRI-WING H SOCKET HEX SCOKET S SOCKET
SPANNER CLUTCH PH IND SLOT IND TORX IND
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 .