18 PCS Spot Weld Cutter Sets Double Sided, 3/8" & 5/16" Spot Weld Drill Bit

Why choose this Spot Weld Cutter Set Double Sided?
This weld cutter is a double-sided rotary cutter blade that separates spot-welded panels more effectively than a panel cutter. Double-sided 3/8" rotary blade and 1/4" hex shank fit most drills.
Double sided rotary cutter blade separates spot-welded panels more effectively than a panel cutter.when 1 side gets dull you simply have to flip the bit around on its arbor assembly.
The spot weld cutter bit is made of high-speed steel material, high hardness, and wear-resistant. The center pin on the bit is spring-loaded. Sharp double-sided blades for high efficiency.
Sharp double-sided blades for high efficiency. Suitable for thin stainless steel sheets, iron sheets, aluminum sheets, F.R.P or other thin metal sheets.
Specifications:
Include 2 pcs Spot Weld Drill, 8 pcs Replacement Cutting Blades and 4 pcs Pilot Pin Replacement. 3 pcs spot weld drill bits include 1/4in (6.5mm), 5/16in (8mm), 3/8in (10mm).