Search query: heavy duty drill bits

Product: QWORK 5 Pcs Set (6, 6, 8, 10, 12mm) Multi-Material Drill Bit Set for Tile,Concrete, Brick, Glass, Plastic and Wood Tungsten Carbide Tip Best for Wall Mirror and Ceramic Tile on Concrete and Brick Wall QWORK 1) One drill bit replaces two drill bits (1x glass & tile drill bit + 1x Mansonry drill bit), ideal for drilling fastner holes in bathroom tiles, or wall mirrors. Once it drills through the tile or mirror this drill bit will cope easily with any masonry behind it
2) Spear pointed design strong tungsten carbide tip can easily penetrate various material(tile, concrete, brick, glass, plastic and wood,etc) and reduces breakout
3) 5 Pcs drill bit set with 4 different sizes: 2x 6mm(1/4"), 1x 8mm(5/16"), 1x 10mm(3/8"), 1x 12mm(1/2")
4) U type slot design with fast drilling dust remove, 3-flats shank allows drill bit to be held tightly and stably in power drill. When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication
5) Heavy duty drill bits made by factory that manufactures products for big international tool brands with guaranteed quality. For genuine multi-material drill bit, please identify QWORK brand drill bits packed in sealed transparent plastic box with two sides of blue color stickers QWORK Black & Silver

Product: Drill America - KFD15J-SET 15 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish, KFD Series High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
Round shanks allow use with a wide variety of toolholding systems
When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
15 piece drill bit set comes in a metal case Drill America Black/Gold

Product: Drill America - KFD29J-PC 29 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish in Round Case (1/16" - 1/2" x 64ths), KFD Series Assortment of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
High-speed steel (HSS) provides hardness for wear resistance
Black and gold oxide finish resists corrosion and increases the hardness of the drill bit
Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
Comes in a plastic storage case Drill America Original Version

Product: Norseman Drill Bits 44170 Ultra Dex Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set (29 Piece) 29 pc. Ultra Dex Set Premium High Speed Steel Heavy Duty NAS 907B 135-Degree Split Point
1/16 - 1/2 by 64ths - Ultra Dex
Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance
Special Hi-Molybdenum tool steel/ Gold Oxide
NAS 907B Heavy Duty Jobber Norseman Black Case