【135° Top Angle Design】Compared with the 118° top angle twist drill, the 135° top angle design is more conducive to chip breakage, which reduces the problems caused by excessive chip entanglement in the drill bit or hole, and also effectively avoids the drill bit from oscillating and deflecting, which makes the drill bit cut more smoothly and enhances the drilling accuracy. 【HSS Titanium Coated】HSS4241 drill bits have excellent wear and heat resistance, and can easily cope with high-temperature environments, which is very suitable for high-intensity drilling operations. WORKPRO 9-Piece 1/4" Hex Shank Drill Bit Set, Titanium Plating HSS Drill Bits from 1/16" to 3/8" for Metal, Steel, Wood, PVC, Quick Change Design. 4.3 out of... 【Complete Sizes】The impact drill bit set includes 15 most commonly used sizes (2pcs x 1/16, 5/64, 3/32, 7/64, 2pcs x 1/8, 9/64, 5/32, 2pcs x 3/16, 7/32, 1/4, 5/16, 3/8), and also comes with a thick plastic storage box, which can perfectly meet your working needs. 【Compatible Models & Applicable Materials】Compatible with electric screwdrivers, impact drivers and other tools that can use 1/4 inch hexagonal shanks. 13 Piece Quick Change Hex Shank Drill Bit Set, KFDHEX13-PC Hex Shank Drill Bit Set 50pcs HSS Titanium Coated High Speed Steel Drill Bit Set 1mm 1.5mm 2mm Drill Set Can be used for drilling steel, copper, aluminum, zinc alloy, cast iron, wood, fiberboard, plastic board, especially suitable for thin plate drilling. Roxy 5/4/3 Syncro Back Zip GBS Wetsuit - Women's | evo 【Parabolic groove】Parabolic groove ensures the smoothness of chip removal, effectively avoiding the accumulation of chips in the hole and lead to problems such as broken drill bits or wear of the hole wall, etc.
