HEX WASHER HEAD SELF DRILLING SCREW(ROOFING SCREW)
FEATURES
- For quick joining of sheet Steel to sheet Steel without the need for pre-drilling.
- Good for fixing cavity trays, ducting and Steel panels.
- Can also be used for temporary fixing
APPLICATIONS
- Roof deck to steel framing.
- Wall panel to girt.
- Duct work to steel framing.
- Accessories to steel framing.
- Clip to steel framing.
- Retrofit framing.
- Commercial overhead steel doors, hinges & latches.
| Nominal Screw Size | Thread Diameter | Thread Diameter | Thread Diameter | Thread Diameter | Thread Diameter |
| (inch) | #6 | #7 | #8 | #9 | #10 |
| Decimal Equivalent | 0.14 | 0.15 | 0.16 | 0.18 | 0.19 |
| (inch) | #11 | #12 | #13 | #14 | #15 |
| Decimal Equivalent | 0.20 | 0.21 | 0.23 | 0.24 | 0.25 |
| Steel Gauge Chart | Common Sheet Steel Gauge | Common Sheet Steel Gauge | Common Sheet Steel Gauge | Common Sheet Steel Gauge | Common Sheet Steel Gauge |
| 30 | 28 | 26 | 24 | 22 |
| Decimal EQ(inch) | 0.012 | 0.015 | 0.018 | 0.024 | 0.03 |
| Decimal EQ(inch) | 0.3 | 0.38 | 0.45 | 0.61 | 0.76 |
| 20 | 18 | 16 | 14 | 12 |
| Decimal EQ(inch) | 0.036 | 0.048 | 0.060 | 0.075 | 0.105 |
| Decimal EQ(inch) | 0.91 | 1.21 | 1.52 | 1.9 | 2.65 |
| 1/8 | 10 | 3/16 | 1/4 | 1/2 |
| Decimal EQ(inch) | 0.125 | 0.134 | 0.187 | 0.25 | 0.5 |
| Decimal EQ(inch) | 3.18 | 3.42 | 4.77 | 6.36 | 12.72 |
| PART NO. | SIZE IFI | SIZE DIN | POINT NO. |
| CK06000 | 6#-20*3/8"～6#-20*3" | 3.5-20*9.5～3.5-20*75 | 2# |
| CK07000 | 7#-19*3/8"～7#-19*3" | 3.9-19*9.5～3.9-19*75 | 2# |
| CK08000 | 8#-18*3/8"～8#-18*3" | 4.2-18*9.5～4.2-18*75 | 2#,3# |
| CK10000 | 10#-16*1/2"～10#-16*4" | 4.8-16*13～4.8-16*100 | 2#,3# |
| CK12000 | 12#-14*1/2"～12#-14*5" | 5.5-14*13～5.5-14*125 | 2#,3#,4#,5# |
| CK14000 | 14#-14*1/2"～14#-14*8" | 6.3-14*13～6.3-14*200 | 2#,3#,4#,5# |
