Project Description
Phillips Flat Head Self Tapping Screws
Phillips flat head self tapping screws (sheet metal screws) are used where finished surfaces require a flush fastening unit, with an 90° angle countersunk head offers good centering possibilities. Phillips drive is designed to cause cam out at a certain point to prevent over-tightening.
Standards:ISO7050/DIN7982 ASME B18.6.3
Material:
*Carbon steel C1018-1022, alloy steel,harden.
*Stainless steel SUS201, SUS304(18-8), SUS316 and SUS410 etc .
Surface treatment:
*Zinc Galvanized/H.D.G/Decromet etc.
* Plain with passivation.
Surface hardness:
The minimum surface hardness after heat treatment shall be 450HV for steel.
Core hardness:
The core hardness shall be 270HV-370HV for steel.
Application:
Apply to 0.015″ to 0.05″ thickness sheet metal fastening to metal,wood, plastic,fiberglass etc. material.
Notes: For more information about phillips flat head self tapping screw, please contact us by email sales@s-metals.com.
DIN7982phillips flat head self tapping screw
Dimension in mm.
| thread d | P | dk | k | Driver # | |
| max | min | ||||
| ST2.2 | 0.8 | 4.3 | 4 | 1.3 | 1 |
| ST2.9 | 1.1 | 5.5 | 5.2 | 1.7 | |
| ST3.5 | 1.3 | 6.8 | 6.44 | 2.1 | 2 |
| ST3.9 | 1.3 | 7.5 | 7.14 | 2.3 | |
| ST4.2 | 1.4 | 8.1 | 7.74 | 2.5 | |
| ST4.8 | 1.6 | 9.5 | 9.14 | 3 | |
| ST5.5 | 1.8 | 10.8 | 10.37 | 3.4 | 3 |
| ST6.3 | 1.8 | 12.4 | 11.97 | 3.8 | |
