Underlayment screws are a great option for situations where spacing is an issue, infloor heating is becoming more and more prevalent in todays building market, specially designed for maximum holding power to eliminate any squeaking over time.

Available lenghts:

1" - 2500 per box

1 1/4" - 2500 per box

#7 Underlayment
Wood-to-Wood

Features:

• #2 Square Drive - BIT2S
• Hi-Lo Threads
• Countersink Nibs
• Sharp Point
• Trim Head
• Gray Phosphate Finish
• Curved Collation (belt)