Lowes: IRWIN 3/8-in 12-Step Drill Bit

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Lowes: IRWIN 3/8-in 12-Step Drill Bit – $8.59 (10234CBSM)

12 hole sizes

M35 grade cobalt HSS

High heat and abrasion resistance

Longest cutting edge life

Single-fluted cutting edge for greater control and rounder holes

Ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, Plexiglas, wood and laminates

Was: $42.98

Free shipping on orders over $45.

Lowes also has the IRWIN 7/16-in 2-Step Drill Bit for $9.19.

Other Retailers:
Acme Tools: $61.99
ToolUp: $64.75

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