Key Specifications
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Material: Solid Carbide
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Shank Diameter: 1/8" (3.175 mm)
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Overall Length: 1.50"
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Cutting Diameter: Selected size
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Depth Stop Rings: Included unless specified
Suitable for precision micro-drilling in PCBs, plastics, composites, and thin metals.
Condition & Length Notes:
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New: Factory-new drills
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R/S: Factory resharpened drills
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FL: Standard flute length (maximum plunge depth)
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STUB: Short flute length for increased rigidity and reduced breakage
Looking for individual sizes outside this range?
Carbide Drill Bits — Choose Your Size
Looking for a range of drill sizes instead?
View our incremental size drill sets
Available Carbide Drill Diameters in This Range (.037"–.0787")
#63 (0.037" / 0.94mm), #62 (0.038" / 0.97mm), #61 (0.039" / 0.99mm),
#60 (0.04" / 1.02mm), #59 (0.041" / 1.04mm), #58 (0.042" / 1.07mm),
#57 (0.043" / 1.09mm), (0.044" / 1.12mm), (0.0453" / 1.15mm),
#56 (0.0465" / 1.18mm), (0.0472" / 1.2mm), (0.0492" / 1.25mm),
(0.0512" / 1.3mm), #55 (0.052" / 1.32mm), (0.0531" / 1.35mm),
#54 (0.055" / 1.4mm), (0.0571" / 1.45mm), #53 (0.0591" / 1.5mm),
(0.061" / 1.55mm), (0.063" / 1.6mm), #52 (0.0635" / 1.61mm),
(0.065" / 1.65mm), #51 (0.067" / 1.7mm), (0.069" / 1.75mm),
#50 (0.07" / 1.78mm), (0.0709" / 1.8mm), #49 (0.0728" / 1.85mm),
(0.0748" / 1.9mm), #48 (0.076" / 1.93mm), (0.0768" / 1.95mm),
(0.0781" / 1.98mm), #47 (0.0785" / 1.99mm)
All drills feature a 1/8" (3.175mm) shank. Flute length varies by option — see dropdown selector above.
