Diablo Rebar Demon SDS-Plus 4-Cutter Carbide Head Masonry Drill Bit Set (7-Piece)Dura Carbide withstands impact and high heat applications, dramatically extending life versus standard hammer bits Precision Tip delivers stability and accuracy required for fast, precise holes Tri Metal Diffusion Bonding provides heat resistance and prevents breakage of the full carbide heat for maximum life and productivity Optimized four flute design removes dust faster, keeping the carbide head cooler for ultimate strength and durability

2501/2504 - for use on 12/12 Fixed Pitch Roofs

scribe moldings

For general construction uses

Sets 3/32'

1/4" Shank

For use with most 21 Deg (degree) plastic strip framing nailers including Bostitch

135 deg (degree) split point tip starts on contact to prevent walking

magnetism for fastener retention

A unique trimhead design provides a less visible point of entry

Features Rip Guard

Not to be used in treated lumber

Use in variable speed only