Could be used in sheet metal fixing or other hard material fixing
C1022 Steel to be used for manufacturing a drilling point drywall screws, heat treatment
Must proceed, and it's generally to be fine threaded
Below is the regular specifications

Philips Buggle Head Self Drilling Screws, drywall Tek screws Drywall Tek Screws or philips buggle head self drilling screws made of C1022 carbon steel with a driling point. It used to assembly and fixing the drywalls, gypsum walls to a matel frame or walls. Transhow factory offers below regular specifications, both in zinc coated and black phosphated. Contact us for the latest prices or click here for more information.
| SIZES | PCS/BOX | KGS/BOX | LBS/BOX | BOX/CTN | PCS/CTN | KGS/CTN | INCH SIZE |
| 3.5x19 | 1,000 | 1.1 | 2.4 | 16 | 16,000 | 17.6 | #6x3/4" |
| 3.5x25 | 1,000 | 1.4 | 3.1 | 12 | 12,000 | 16.8 | #6x1" |
| 3.5x32 | 500 | 0.9 | 2 | 16 | 8,000 | 14.4 | #6x1-1/4" |
| 3.5x35 | 500 | 0.95 | 2.1 | 16 | 8,000 | 15.2 | #6x1-3/8" |
| 3.5x38 | 500 | 0.95 | 2.1 | 16 | 8,000 | 15.2 | #6x1-1/2" |
| 3.5x40 | 500 | 1.05 | 2.3 | 16 | 8,000 | 16.8 | #6x1-5/8" |
| 3.5x42 | 500 | 1.1 | 2.4 | 16 | 8,000 | 17.6 | #6x42 |
| 3.5x45 | 500 | 1.2 | 2.6 | 12 | 6,000 | 14.4 | #6x1-3/4" |
| 3.5x51 | 500 | 1.3 | 2.9 | 12 | 6,000 | 15.6 | #6x2" |
| 3.9x51 | 250 | 0.8 | 1.8 | 16 | 4,000 | 12.8 | #7x2" |
| 3.9x55 | 250 | 0.86 | 1.9 | 12 | 3,000 | 10.3 | #7x2-1/4" |
| 3.9x60 | 250 | 0.95 | 2.1 | 12 | 3,000 | 11.4 | #7x2-1/3" |
| 3.9x65 | 250 | 1 | 2.2 | 12 | 3,000 | 12 | #7x2-1/2" |
| 4.2x25 | 500 | 0.9 | 2 | 16 | 8,000 | 14.4 | #8x1 |
| 4.2x38 | 500 | 1.3 | 2.9 | 12 | 6,000 | 15.6 | #8x1-1/2 |
| 4.2x65 | 250 | 1.02 | 2.2 | 16 | 4,000 | 16.3 | #8x2-1/2" |
| 4.2x75 | 250 | 1.3 | 2.9 | 12 | 3,000 | 15.6 | #8x3" |