VEDALI HARDWARE CO., LTD
VEDALI HARDWARE CO., LTD Professional Hardware Supplier Perfect Engineering Solutions
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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