Clarkson-Osborn products are sold strictly through authorized distributors and intended for industrial, wholesale, and volume purchasing.

DR74020

Name: Clarkson-Osborn
Brand: Clarkson-Osborn
Rating: 5 (3 reviews)

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5/16 – Heavy Duty Jobber Drill

Item #: DR74020

Length of Cut

Diameter

Carbon Type

Bi-Metal Type

Width

Thickness

Tooth Pitch

Cutting Direction

Grade

NO.

Height

Length

Cut Style

Shank Diameter

Fractional

5/16(1)

Letter / Wire Gauge

Metric

Decimal Equivalent

0.3125(1)

Shank

Angle

135°(1)

Style

Substrate

HSS(1)

Thread Standard

Thread Diameter Size (TDZ)

Threads per Inch (TPI)

Thread Pitch Metric (TP)

Outer Diameter

Direction

Surface Treatment

Steam Oxide(1)

Flute Type

Regular Spiral(1)

Shank Type

Letter, Number

Case Type

Chamfer

Gage

Handle No.

Width 1

Width 2

Shank Style

Center Cutting

Flute Count

# of PCS.

Overall Length

4-1/2(1)

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5/16 – Heavy Duty Jobber Drill

DR74020

5/16 – Heavy Duty Jobber Drill

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