Collated Screws Bugle Head – Coarse Thread for fixing Drywall to Timber Bugle Head – Fine Thread for fixing Drywall to Thin Steel Self-drilling screw Roofing Screw / Farmer Screws Hex Washer Head DIN7504K Hex Washer Head SAE J78 Hex Flange Head AS3566 Hex Head – Special Double Thread Hex Head – Special Fibre Cement #3pt Hex Head – Special Fibre Cement BAZ Washer Hex Head – Special Hex Washer Head #5pt Hex Head – Special Double Thread Shank Guard Hex Head – Special Fibre Cement #5pt Hex Head – Special Stitching Point Pan Head Countersunk Head Button Head Wafer Head Countersunk Wings #3pt Type 17 Screw Wafer Head Bugle Batten Head Countersunk Head Hex Head – Fibre Cement Double Thread Shank Guard Hex Flange Head Hex Washer Head Drywall Screw Bugle Head – Coarse Thread Bugle Head – Fine Thread Timber Screw Wafer Head Countersunk Head Bi-metal screw Hex Washer Head Hex Washer Head #5pt Pan Head Countersunk Head