Underlayment Wood Screw Collated MTHZ1S Strong Drive One Inch Size Seven Yellow Zinc With Trim Head Nibs For Countersinking High Low Threads Square Drive 2500 Pack

Collated MTHZ1S underlayment screws, 1 inch #7 yellow zinc
✔️ Drive, trim head nibs, #2 square drive, countersinking, 2500 pack

This bulk underlayment screw is built for flooring sublayers and subfloors, with a trim head and nibs to help countersink for a flush finish.

✅ 1 inch length
✅ #7 size
✅ Yellow zinc finish
✅ Trim head with nibs for countersinking
✅ High-low thread design for strong bite
✅ Square drive and #2 driver bit in each box
✅ 2500 pack

💡 What is the best way to use trim head countersinking screws with nibs in underlayment projects? This handy screw is designed to sit flush and bite firmly while securing underlayment.
- High-low thread design improves bite in wood
- Nibs guide countersinking for flush, clean surfaces
- Square drive ensures consistent seating with #2 bit

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