One Day Deal 5/16″ Jobber Length Drill Bit HSS Black Oxide DWDN5/16 (12 / Pkg.)

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[12 PKG] 5/16″ HSS Black Oxide Jobber Length Drill Bit, DWDN Series

Specs

Diameter: 5/16″

Material: High-Speed Steel (HSS)

Coating: Black oxide

Length: Jobber length

Series: DWDN

Pack quantity: 12 pieces (12 PKG)

Features

12-pack provides multiple bits for extended projects, spares, or batch work

Black oxide coating reduces friction during drilling and offers corrosion resistance relative to uncoated steel

High-Speed Steel (HSS) composition supports drilling through common metals such as steel and aluminum with reliable heat tolerance

Jobber length delivers extended reach and improved chip clearance for deeper holes in metalworking tasks

DWDN Series designation aids catalog organization and quick selection in professional shop workflows

Use cases: suitable for metal fabrication, maintenance tasks, and DIY projects requiring durable, longer drill bits

Quantity: 12 pieces

Diameter: 5/16″

Length class: Jobber length

Coating: Black oxide

Material: High-Speed Steel (HSS)

Series: DWDN