| Size | M3-M48 or non-standard as request&design |
| Finish | Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating, Nickel plating,Zinc impregnation,ETC. |
| Material | Carbon steel、Stainless steel |
| Grade | 4，8，10，12 |
| Standard | GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC. |
| Non-standards | OEM is available, according to drawing or samples. |
| Samples | Samples are free. |
| Package | Wooden boxes, pallet, cartons, plastic bags, nylon bags. |
Also called modified truss head self tapping screw has a wide integrally formed round washer head with a low rounded top that is around 75% width of the washer diameter, generally with a philips drive.
Common usage is to fix, drill on a wood and the like works also thin sheet metals.
Size: thread #6 and #8 (3.5 and 4.2mm), length from 1/2 to 3 inch (13mm to 76mm)
Material: AISI C1018, C1022 hardend Steel
Drilling: sharp point (Ph#2)
Drive type: philips, slot
Surface treatment: blue/white zinc, yellow zinc, copper, bronze, brown, brass coating
Please click below links for for standard or technique information on self tapping screws
Modified truss head self tapping screws drawings
Wafer head tapping screws sharp point weight list
Wafer head tapping screws prices (IFI inch size)
Truss head tapping screw prices (metric size)
Sharp Point-Zinc
Sharp Point-Black
