
Frame Head Screw (Purlins)
Frame Head Screw (Purlins) are self-drilling type screws intended to fasten metal roofing and siding to wood purlins. Stitch screws are designed specifically to fasten overlapping panels together.
The washer serves to attract rubber EPDM washer when driven at an angle. Threads change from fine to coarse to create better strength in different wood substrates.
Frame Head Screw Supplier in Lahore Pakistan.
Product Specifications
STANDARD: Din/ASTM/BSW/JIS/GB/ISO
GRADES: 4.8/5.8/8.8/10.9/12.9/B7
FINISHING: Plain/Zinc Plated/Black/Hot Dip/Galv
MATERIAL: SS316/Brass/SS304/Medium and Low Carbon Steel/Alloy Steel