哪套钻头套装的尺寸范围最为多样？

This 15-piece woodworking set combines tapered pilot drilling, countersinking, counterboring, and wood plug cutting. Its nitride-treated HSS construction, adjustable depth stops, 82-degree cutting angle, and compatibility with hand, bench, and electric drills suit cabinetmaking, furniture work, and general woodworking.

This 15-piece parabolic drill bit set uses high-speed steel with a black oxide finish and a 135-degree split point for efficient chip removal and accurate starts. It suits general-purpose drilling in steel, aluminum, plastics, wood, and other common materials.

This professional 8-piece Silver and Deming set uses Hi-Molybdenum HSS bits for drilling larger holes from 9/16 in to 1 in. Its 1/2 in reduced shanks work with standard 1/2 in drill chucks, making it suitable for fabrication, maintenance, repair, machine-shop, and general metalworking tasks.

This 23-piece set contains titanium-coated steel bits designed for drills and impact drivers. Its RED HELIX fluting, Quad Edge tip, 135-degree split point, and heat-reducing chip breaker suit drilling wood, plastic, and metal.

This 14-piece set includes titanium nitride coated bits with 135-degree split points for faster starts and reduced walking. The impact-rated 1/4 in hex-shank bits suit drilling in metal, wood, plastic, cast iron and stainless steel, making them useful for general DIY and trade work.

This seven-piece set uses carbide-tipped bits with an impact-rated hex shank for drilling concrete, stone, cinder block and brick. Its U-Flute design helps remove dust efficiently, making it suitable for demanding masonry work with rotary drills, impact drivers and three-jaw chucks.

This 100-piece impact-rated set combines drill bits, insert bits, power bits, nut drivers, and storage accessories in a ToughCase+ case. Its S2 steel construction and FLEXTORQ Zone make it well suited to contractors, tradespeople, and DIY users who need a broad range of drilling and fastening options.

This set contains 29 cobalt jobber-length drill bits covering fractional sizes from 1/16 in through 1/2 in by 1/64 in increments. Its 135-degree split points and cobalt construction suit demanding drilling in stainless steel, Inconel, titanium, and other tough materials.

This 25-piece set uses high speed steel bits with a black oxide finish for drilling wood, metal, and plastic. Its 135-degree split point helps the bits start on contact, making it suitable for general-purpose home improvement and workshop tasks.

This 29-piece Milwaukee set contains high-speed steel, titanium-finished jobber-length drill bits with 135-degree split points and parabolic flutes. It suits professionals and serious DIY users who need a broad fractional-size range for drilling steel and other metal applications.

This 93-piece BAER HSSE Extreme set covers drill sizes from 1 mm to 13 mm in 0.5 mm increments. The cobalt-alloyed high-speed steel is designed for iron, steel, bronze, aluminium, wood and high-strength alloys, making it suitable for professional metalworking and demanding DIY projects.

This 29-piece metal drilling set uses a cobalt blend, Thermal Shield Protective Coating, and a 130-degree hybrid split-point tip for durable, fast starts in mild, hardened, and stainless steel. It suits professionals and serious DIY users who need one organized set for varied metalworking applications.

This 100-piece set combines impact-ready screwdriving bits, Black & Gold drill bits, nut drivers, and useful accessories in a ToughCase+ storage case. It suits DIYers and professionals who need a broad selection for drilling and driving tasks with impact drivers and drills.

This 91-piece set combines driver bits, drill bits, nut setters and accessories in a molded case. It covers general-purpose drilling in wood, metal and masonry, making it suitable for homeowners, DIY users and light-duty repair work.

This 14-piece Bosch set uses heat-resistant M42 cobalt alloy bits for drilling stainless steel, cast iron, titanium, aluminum, and other hard metals. Jobber-length bits feature a thick web-helix design, split points on sizes 1/8 in and larger, and three-flat shanks on sizes 3/16 in and larger, making it suitable for demanding metalworking and DIY projects.

This 21-piece set uses HSS bits with titanium nitride coating and Pilot Point tips for drilling wood, metal, and plastic. The bits range from 1/16 in to 1/2 in and come in a Tough Case, making the set suitable for DIY users and professionals who need durable general-purpose bits.

This 21-piece set uses durable steel bits with a black oxide finish, thicker Thunderbolt web, parabolic flutes, and 135-degree split points. It suits DIY users and tradespeople drilling metal, wood, and PVC with portable drills.

This 30-piece impact-ready set uses shock-resistant tool steel and FLEXTORQ zones designed to absorb impact and extend bit life. It suits DIYers, contractors, and tradespeople who need a broad selection of fastening bits for impact drivers and drills.

This USA-made set uses precision-ground M2 high-speed steel with a black oxide finish for drilling metal, wood, and plastic. Its compact case and reduced-shank bits suit professionals and serious DIY users who need larger hole sizes without a 1/2 in chuck.

This 14-piece set contains high speed steel jobber-length bits with black and gold coating, 135-degree split points, tapered webs, and three-flat shanks on larger sizes. It suits DIY users and tradespeople drilling general-purpose holes in plastic, wood, and metal.

This 30-piece impact-rated set includes a broad range of Phillips, square, flat, Torx and nut driver bits, plus socket adapters and a magnetic bit holder. Its FLEXTORQ zone, 1/4 in hex shank and ToughCase+ storage make it suitable for demanding fastening work with impact drivers and drills.

This is a 95-piece Kobalt impact driver bit set designed for both driving and drilling tasks. It includes popular screwdriver and nut driver sizes, with heat-treated S2 steel bits and a titanium coating to improve drilling speed and extend bit life. Suitable for general home improvement and workshop use where you need a wide assortment of bit sizes in one case.