
The PT® TYPE DG is a direct screw fastener for use in light alloys.
The design incorporates many unique features which provide designers with a really effective direct screw fixing for these materials.
The profiled thread root gives low installation torque whilst the special thread form provides high stripping torque.
Advantages
- Thread forming - No debris
- Reliable & easy installation into punched, drilled, extruded & moulded holes
- Reusability of screw
Design Features
Special Profiled Root

- Reduces stress
- Allows material to flow during thread forming
- Reduces installation torque
- Increases pull-out load
Special Shaped Tooth

- Reduces radial stress
- Maximum surface bearing area
- High stripping torque
- High clamping force
- High back-off torque
Design Guide



Soft materials = ≤ 50 vpn
Medium soft materials = 51 to 75 vpn
Hard materials = 76 to 100 vpn
For specific application advice, contact PSM.
Dimensions

PRODUCT CODE
WN 15
HEAD STYLE 42 Pan

HEAD STYLE 43 Countersunk

Size Range

Material
Through hardened & tempered steel
Standard Finishes
- Zinc Plate and Clear Passivation (Z)
- Zinc Plate and Chromate (ZC)
- Zinc Plate and Black Chromate (ZBC)
- Stainless Steel (SS)
- Stainless Steel 316 (S6)
Other Finishes
Available to order
Standard Recess Styles
Other available recesses are shown on optional features page.




How to Specify



There are no reviews yet.