Best Extra Long Drill Bits Under $200 (2026)
We ranked items by value score using material (HSS/black oxide), length (10"–18"), diameter availability, and price under $200
The Verdict
- Best Overall: BOSCH 1-Piece Extra Long Drill Bit 5/16 in x 12 in (Pack of 3) — Best for compact long-reach tasks: 12" length and durable construction suited to controlled drilling in confined spaces
- Best Value: 1/2 in x 10 in extra length drill bit (DWDDL series) — Best for budget deep metal drilling: 10" extra length with HSS for general-purpose high-speed applications
This roundup highlights extra long drill bits under $200 selected for length, material, and value across common diameters for metal and wood. Picks were chosen by scoring build material (HSS/black oxide), available lengths up to 18", diameter coverage, and relative cost-effectiveness
Top Picks
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1
Best Overall BOSCH 1-Piece Extra Long Drill Bit 5/16 in x 12 in (Pack of 3)
Best for compact long-reach tasks: 12" length and durable construction suited to controlled drilling in confined spaces
Aircraft black oxide drill bit with speed helix for faster drilling in light-gauge metal, wood, and plastic. Per-pack info; longer life and reduced heat. One customer notes good quality and length enough to drill through walls
- faster drilling
- longer bit life
- versatile for metal, wood, plastic
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2
Best Value 1/2 in x 10 in extra length drill bit (DWDDL series)
Best for budget deep metal drilling: 10" extra length with HSS for general-purpose high-speed applications
High-speed steel drill bit with extra length for reach and black oxide finish for lubricity. Customers note sharpness and long flute length, with mixed durability feedback
- extra length for reach
- black oxide lubrication
- round shank versatility
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3
27/64" x 18" high speed steel drill bit, extra long DWDDL
Best for very deep holes: 18" HSS length provides reach for access-limited jobs while balancing stiffness and flexibility
High-speed steel drill bit with extra length for reach. Provides hardness and toughness with lubricity from black oxide coating. Customers note sharpness and long flute length, with mixed durability feedback
- extra-long reach
- black oxide lubricity
- round shank versatility
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4
DWDDL18X1/8 1/8" x 18" High Speed Steel Drill Bit
Best for fine-diameter deep drilling: 1/8" and 18" length for precise, long-reach pilot holes in metal or wood
High-speed steel drill bit with extra length for reach. Durable with wear resistance and good cutting performance; some users report issues with durability and straightness
- extra long reach for drilling
- black oxide for lubricity
- round shank for broad compatibility
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5
Drill America 15/32" x 18" HSS Extra Long Drill Bit
Best for mid-diameter versatility: 15/32" and 18" HSS with black-oxide finish for improved wear resistance
High-speed steel drill bit with extra reach for general purpose drilling. Features lubricity from black oxide finish and round shank for versatile toolholding; designed for chip evacuation in counterclockwise/right-hand cut operations. Noted for length and quality with mixed durability/sharpness feedback
- extra-long reach
- black oxide lubricity
- round shank versatility
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6
19/64 x 18 in high-speed steel extra long drill bit
Best for balanced performance: 19/64" HSS extra length offering common diameter for structural and finish work
High-speed steel drill bit with extra length for reach. Features black oxide for lubricity and coolant pockets near the edge; round shank for versatile toolholding. Customers note long flute length but mixed durability and sharpness
- extra-long length
- black oxide lubricity
- round shank versatility
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7
5/8" x 18" HSS Extra Long Drill Bit, DWDDL Series
Best for large-diameter long reach: 5/8" and 18" HSS suited to oversized holes where standard bits fall short
High-speed steel drill bit with extra length for reach. Helps with general drilling, features black oxide for lubricity and chip evacuation near the edge. Customers note sharpness and quality, with mixed durability and accuracy feedback
- extra-long reach
- sharpness and quality noted
- round shank versatility
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8
Drill America 17/32" x 18" HSS Extra Long Drill Bit
Best for fractional size needs: 17/32" and 18" HSS providing uncommon diameter coverage for specific fits
High-speed steel drill bit with extra length for reach and wear resistance. Noted for sharpness and quality, though durability and straightness receive mixed feedback
- extra long reach for deep holes
- black oxide treated for lubricity
- round shank for wide mounting compatibility
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9
9/16" x 18" high speed steel extra long drill bit
Best for heavy-duty mid-large holes: 9/16" HSS 18" length built for deeper structural drilling tasks
High-speed steel drill bit with extra reach for general drilling. Combines hardness and toughness with black oxide finish to reduce friction and help coolant retention near the cutting edge. Customers note sharpness and quality, with mixed durability and accuracy insights
- extra long 18" reach
- black oxide surface for lubricity
- sharp, high-speed steel bit
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10
DWDDL12X3/4 3/4" x 12" HSS Extra Long Drill Bit
Best for deep large-bore drilling: 3/4" and 12" HSS extra length designed for substantial through-holes with reduced wobble
High-speed steel drill bit designed for extra reach with good hardness and toughness. Users note quality and sharpness, with mixed durability feedback
- extra-long reach for deep holes
- black oxide coating improves lubrication
- versatile round shank for various toolholders