Irwin 31520 IRWIN Left-Hand Cobalt HSS Fractional Mechanics-Length Drill Bit, 5/16-inch (31520)

by Irwin

MPN: 31520
SKU: 31520-S03-928

$14.54 - $14.54

$14.54

$17.00

$17.00 - $17.00

$17.00

Warehouse: Calgary-A

This product is held in stock at the Calgary-A warehouse. Shipping & pick-up available.

Order now and pick up Monday, January 26, 2026 after 2 p.m.

5935 35 St SE, Bay #15, Calgary, AB, T2C 2H1, Canada

Availability:

6 in stock, ready to be shipped

31520. Left-Hand Mechanics Length Cobalt High Speed Steel Drill Bit. 5/16". Standard Features: 305 Series. 8% Cobalt alloyed for higher heat and abrasion resistance. Heavy duty spiral flute design produces faster chip ejection. Shorter cutting lips reduce torque for drilling in high tensile strength materials. Drill into fasteners without tightening them. Can often remove broken fasteners without an extractor. Size: 5/16". Decimal Equiv: .3125. Flute Length: 2-1/8". Overall Length: 3-3/4".

MPN: 31520