Thread types :
Coarse with Counter Thread
Type of heads :
Cylindrical head
Screw diameter ⌀
8
Screw length (mm)
210 - 480
Screw drive
AW/Sit, TX
Coating
Zinc coated yellow, Zinc coated blue
Materials
Steel
Product Description - Isotec
The screw for on top of rafter insulation installations or SIP-Panel installation.
Drive
- optimal torque transmission
- tight, snug fit and fast centering
- no tumbling motion
- no "come out" effect of the bit
Head Shapes
Cylindrical head
- for multi-purpose usage
- reduces splitting of the wood
- best for deep countersinking
Asymmetrical Thread
- reduced drive-in torque
- high overtorque
- quicker screwing-in than common screw
- high withdrawal force
Tip
- perfectly formed tip allows positioning with utmost precision
- counter thread
- reduced splitting in close to edge applications
- reduction of the screw-in torque
- through the die cutting effect of the ring thread blow-outs are largely avoided
Application
- rafter insulation installation
- SIP panel installation
