AMSUO 21-Piece Drill Bit Set, Black Oxide — 1/16" to 3/8"

21-piece black oxide drill index · 1/16"–3/8"

Brand:

AMSUO Engineering

Spu:

AMSUO-10

Introduction

AMSUO 21-Piece Drill Bit Set, Black Oxide — 1/16" to 3/8"

Piece Count: 21

Sizes: identical index to #9 (19/64"–3/8" long row; 1/16"–9/32" short row)
Finish: Black oxide (matte black flutes)
Packaging: Blue case with clear cover and yellow organizer; standalone display layout shown

Key Features

Black oxide finish — cost-effective, corrosion-resistant, prevents chip welding
Same 21-piece pro index as the TIN version at a value price point
Long + short two-row layout covers reach and clearance jobs
Standard fractional sizes throughout
Display-friendly case with molded size labels

Recommended Applications

General-purpose drilling in steel, wood, and plastic
Budget-conscious contractor and DIY programs
Wholesale pricing tier below the TIN-coated index
Promotional and private-label opportunities

Why AMSUO

Factory-direct quality with strict QC, competitive wholesale pricing, and reliable lead times.

Wholesale & OEM

Custom branding, private label and OEM programs available for distributors and importers.

Packaging

Injection-molded plastic case, blister (thermoformed), and double-blister configurations, specifically designed for supermarket shelf display and retail sale. All packaging is made from environmentally friendly virgin materials. Additionally, we offer a complete packaging-display-retail solution — including display boxes and display racks — tailored to meet your specific requirements.