This left handed through hole boring bit has a 5mm diameter and a 45mm cutting depth. The shank is 10mm in diameter with a 20mm length. The shank also has a driving flat and a length adjustment screw. Drill through bore holes for dowels, pins and screws Carbide tipped for quality, durability and performance Compatible with all standard drill press chucks
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1pc 6-100mm Dry Diamond Drilling Core Bits Ceramic Tile Hole Saw Cutter Granite Marble Drill Bits with M14 Thread Opener
Aliexpress UK
This Screws Extractor Bits Set includes 5 different size Screw Extractor(#1, #2, #3, #4, #5) and 5 different size Drill Bits(5/64", 7/64", 5/32", 1/4", 19/64"); which is suitable for most screw bolt drilling size in the market, multiple choice for different needs, there will always be the most suitable size for you.
eBay
6inch Square Head Bushing Bit 40cr Steel Electric Flower Hammer Drill Bit Point Groove Chisel for Concrete
Aliexpress UK
Material: HSS. There are 5/64"(2mm), 7/64"(2.7mm), 5/32"(4mm), 1/4"(6mm), 19/64"(7.5mm) drill bits of various specifications for you to use. Quantity: 10Pcs set. 10× Left Hand Drill Bits. The straight shank design is more suitable for a variety of electric drills and drilling rigs.
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5PCS Set Bit Countersink 8mm DrillBit Limit Drilling Depth Woodworking Shank Screw Extractor Demolition Wood Drilling
Aliexpress UK
There are 5/64"(2mm), 7/64"(2.7mm), 5/32"(4mm), 1/4"(6mm), 19/64"(7.5mm) drill bits of various specifications for you to use. 10× Left Hand Drill Bits. The straight shank design is more suitable for a variety of electric drills and drilling rigs.
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Diamond Core Drill Bits 10mm Cnc Finger Milling Bit For Stone Granite Quartz Porcelain Countersink Drilling 1/2Gas
Aliexpress UK
This Screws Extractor Bits Set includes 5 different size Screw Extractor(#1, #2, #3, #4, #5) and 5 different size Drill Bits(5/64", 7/64", 5/32", 1/4", 19/64"); which is suitable for most screw bolt drilling size in the market, multiple choice for different needs, there will always be the most suitable size for you.
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Carbide Tipped 9Teeth SDS PlUS Shank Micro Chisel Bush Hammer Drill Bits Percussion Alloy Chisel Bit for Wall Concrete Stone
Aliexpress UK
Screw Extractors Special Design. This Screws Extractor Bits Set includes 5 different size Screw Extractor(#1, #2, #3, #4, #5) and 5 different size Drill Bits(5/64", 7/64", 5/32", 1/4", 19/64"); which is suitable for most screw bolt drilling size in the market, multiple choice for different needs, there will always be the most suitable size for you.
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6/8/10/12mm 1pcs-4pcs Diamond Drill Bit Dry Porcelain Tile Marble Core Bit Granite Marble Hole Saw M14 Thread Drilling Crowns
Aliexpress UK
Material: HSS. The straight shank design is more suitable for a variety of electric drills and drilling rigs. Suitable for: Drilling, reversal. The drill bit is made of high‑speed steel, strong and, has a long service life.
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M14 Thread Vacuum Brazed Diamond Dry Drill Bit Core Bit Hole Saw Cyclone Type 6-130mm For Porcelain Tile Granite Marble Stone
Aliexpress UK
Left-hand drill bits, used for the extraction of snapped studs, screws or fixings. Manufactured from 4121 HSS steel. Supplied in display case. Left-hand drill bits, used for the extraction of snapped studs, screws or fixings. Manufactured from 4121 HSS steel. Contents: 3.2, 4.8, 6.4, 8, 8.7mm. Supplied in display case.
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6pcs Set of Serrated Hexagonal Handle Twist Drill Bit Set Wooden Board Expansion Groove Serrated High-Speed Steel Alloy Bits
Aliexpress UK