SST Metal Tek Screws Undercut for Standing Seam & Snap Lock Clips
Countersunk Undercut Head Self Drilling Screws
- Size (Gauge-TPI x Length): 10–20 x 20mm
- Drill Capacity: 3.5mm
- Drive Size: #2 PH
- Packaging Size: 1000pcs
We will be closed for Christmas and New Year from 12pm on Friday, 19 December 2025. Orders placed during the holidays will be processed on Monday, 5 January 2026.
Countersunk Undercut Head Self Drilling Screws