Drill Bit Buying Guides
5/16 Drill Bit: How to Choose the Right One
Verify the cutting diameter, material application, bit category, shank fit, and usable drilling depth before buying.
A 1/8-inch drill bit is 0.125 inch or exactly 3.175 mm in nominal diameter. Choose the cutting type for the material, not the size alone.
September 9, 2026 · 2 min read
Drill Bit Buying Guides
Verify the cutting diameter, material application, bit category, shank fit, and usable drilling depth before buying.
Drill Bit Buying Guides
Compare tapered, straight, extra-long and specialty cutters, then verify diameter, plug length, shank and drill-press compatibility.
Drill Bit Buying Guides
Match bearing position to the reference surface, then compare cutting length, shank, diameter, and flute geometry for your routing setup.
Drill Bit Materials
Match standard or cobalt-alloyed HSS to the workpiece, then compare diameter, point, length and shank for the hole and drill.
Drill Bit Types
DeWalt tabless packs add thermal headroom for saws and blowers, but drills rarely use it. Compare the DCB2105, DCB6112, and standard packs.
Drill Bit Materials
Screen a Kobalt 24V drill battery by model, USB-C port, capacity and sales window, then follow Greenworks’ free replacement process.
Drill Bit Buying Guides
A $199 drill kit faces about $25 from 12.5% pass-through. Compare seasonal discounts and calculate whether buying now or waiting costs less.
Drilling Techniques
See what triggers, gearboxes, and clutches change, how to set drilling speed, and why motor type and manufacturer approval determine controller fit.
Drill Bit Types
There is no single best wood drill bit for every job. A bit that makes a fast service hole through a stud may be a poor choice for a visible dowel joint, while…
Drilling Techniques
An impact driver is primarily a compact tool for driving screws and smaller fasteners. An impact wrench is primarily a higher-torque socket tool for nuts,…
Tap Drill Sizes
8-32 tap-drill size
Drill Bit Buying Guides
Canada’s list includes HS 8467 motorized hand tools and HS 8207 drilling tools, but the added duty applies only to qualifying U.S.-origin goods.
Drill Bit Buying Guides
Model numbers settle Milwaukee’s XC5 naming confusion. Compare the new 5Ah pack with the old XC5.0, XC6.0 High Output, and Forge XC6.0.
Carbide Drill Bits
Tungsten shortages have pushed carbide costs higher. Compare carbide, cobalt and HSS by material, breakage risk, expected life and cost per hole.
Ceramic Tile Drilling
Porcelain is dense, abrasive, and brittle. A bit advertised for “tile” may still be wrong for porcelain, the required hole diameter, the cooling method, the…
Carbide Drill Bits
Those are not equivalent setups.
Npt Tap Drilling
Editorial method: This guide compares published tooling charts, commercial tap-and-drill sets, and clearly identified user reports. Q and R were not…