Project Description
Phillips raised countersunk head Self Tapping Screws
Phillips raised countersunk head self tapping screw has a rounded top surface and a conical bearing surface,also called oval head self tapping screws are used where finished surfaces require a flush fastening unit, in addition, a rounded neat appearing upper surface for decoration purpose.
Standards:ISO7051/DIN7983 /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/Dacromet etc.
*Plain with passivation.
Surface hardness:
The minimum surface hardness after heat treament shall be 450HV
Core hardness:
The core hardness shall be 270HV-370HV.
Application:
Apply to 0.015″ to 0.05″ thickness sheet metal fastening to metal,wood, plastic,fiberglass etc. metarial.
Notes: if more detailed information about inch size of phillips raised countersunk head self tapping screw, please contact us by email sales@s-metals.com.
DIN7983phillips raised countersunk head 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 | |
