AMSUO 21-Piece HSS Drill Bit Set, Titanium Coated — 1/16" to 3/8"

AMSUO 21-Piece HSS Drill Bit Set, Titanium Coated — 1/16" to 3/8"

Pro-grade 64th-inch coverage in one index — 21 titanium-coated HSS bits from 1/16" to 3/8". Six long bits for reach plus fifteen short bits for tight clearance. Factory-direct from a 20-year precision-tools manufacturer with ISO 9001 / 14001 / 45001 triple-system certification.

What's in the Box

Finish: full titanium coating. Case: blue with yellow insert and clear cover, molded labels.

Key Features

• 21-piece index with 64th-inch increments gives pro-grade coverage
• Six long bits for reach plus fifteen short bits for tight clearance work
• Titanium coating cuts friction for faster feed and longer edge life
• Fractional American sizing — no metric conversion confusion
• Durable case with molded labels for every size

Recommended Applications

• Machine shop, fab shop and maintenance metal drilling
• Tool cribs and van inventory for mobile service pros
• Wholesale distribution lines where full-index sets sell through fastest
• Fastener and anchor suppliers needing matched drill assortments

Quality & Certification

Produced in an ISO 9001 / 14001 / 45001 triple-certified facility — every set is inspected before packing.

FAQ

Why 64th-inch increments?

The 64th steps between sizes let you match fastener and clearance holes precisely — the coverage pros expect from a full index.

Can this set be private-labeled?

Yes — custom branding, case colors and index layouts are part of our OEM program.

What is the MOQ?

MOQ depends on configuration and packaging; send your target quantity for a factory-direct quotation.

Get a Quotation

Email [email protected] or message us on WhatsApp for wholesale pricing, samples and lead times.