Simpson 7/8 in. x 12 in. SDS-Plus Quad Head Carbide Drill Bit MDPL08712Q SDW TRUSS-PLY Screw The JTM-4VS uses an R-8

The JTM-4VS uses an R-8 spindle taper

cut-off wheel and cut-off wheel guard

High Filter Efficiency: 85

deck construction

Simpson 7/8 in. x 12 in. SDS-Plus Quad Head Carbide Drill Bit MDPL08712Q SDW TRUSS-PLY Screw The JTM-4VS uses an R-8Key Features Uniformly brazed carbide inserts result in longer bit life Most bits contain a centering tip that facilitates easy spot drilling Chromium nickel molybdenum steel alloy body ensures hammering quality and extended service life Heat treatment procedures and shot peened finish increase surface hardness, drilling speed, reduces drill bit wear and improves resistance to bending forces Drill bits conform to ANSI Standard B212. 15 High volume,