Best Metalworking & Multipurpose Drill Sets (2026 Guide)
Selections were based on aggregate star ratings and review volume, material and design features (HSS, cobalt, step/spiral geometry), and presence of multipurpose tools like taps, countersinks, or extractors
This roundup covers top-rated metalworking and multipurpose drill sets chosen for durability, material compatibility, and user review volume. Picks were selected by aggregate rating, review count, and key features like HSS/cobalt construction, step or spiral geometry, and included tap/extractor tools
Top Picks
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1
U.N.C. 18 Pc H.S.S. Tap & Drill Set (UNC) 6-32, 8-32, 10-24, 10-32UNF
H.S.S. tap and drill set in UNC sizes for metalworking. Includes 18 pieces with sharp taps for tapping and drilling. Customers note good quality and value; some report durability concerns
- 18-piece H.S.S. set
- multiple UNC sizes included
- sharp, functional taps
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2
Four spiral flute step drill bit set with countersink bits, 1/4 in hex
Drill bit set with multiple step and countersink bits for metal, aluminum, wood, and plastic. Delivers quality performance and cleaner drilling, per customer feedback
- varied step drill diameters
- countersink compatibility
- quick-change hex shank
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3
Cobalt Extra Long Drill Bits Set (5pc) M35 HSS 12"
Cobalt drill bit set with 5 sizes (1/8"–3/8"), 12" length for deep holes in metal, plastic, and wood. Noted for good quality and sharpness; some report edge durability and others mention a shatter risk
- M35 cobalt HSS
- 12" long for extended reach
- 5-piece set with common sizes
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4
Cobalt Drill Bit Set, HSS with Ti coating (1/16"–1/2"), 29pcs
High-speed steel cobalt-coated drill bit set for metal and wood. 135° split point design for easier start and reduced wandering; durable twist design for debris removal. Customers note solid quality and value for money, with mixed durability feedback
- gold titanium coating for hardness and wear resistance
- 135° split point for accurate starts
- 29 sizes from 1/8" to 1/2" in 1/16" increments
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5
30Pcs Screw Extractor & Bolt Extractor Set with Left Hand Drill Bits
Durable bolt and screw extractor set featuring cobalt HSS and Cr-Mo steel for damaged fasteners. Includes 13 bolt extractors, 6 spiral screw extractors, and 6 left-hand cobalt drill bits. Customer insight notes mixed quality and durability concerns
- co-balt fortified hss material
- left-hand drill bits included
- 13-bolt extractors with easy read sizes
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6
Crosstar M35 Cobalt Drill Bit Set, 21pc
M35 cobalt drill bits with TiAlN coating designed for hardened metals and high-heat applications. 3X lifespan improvement over standard titanium coatings. Customer insight notes mixed sentiment
- M35 cobalt alloy for hardness
- TiAlN coating for heat resistance
- 1/16" to 1/2" size range