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Precision Twist Drill 6480990 321MD Heavy Duty Mechanic's Drill, 3/8 in Drill - Fraction, 0.375 in Drill - Decimal Inch, HSS, Black Steam Oxide/Bronze Oxide

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Description

Precision Twist Drill Mechanic's Drill, Heavy Duty, Series: 321MD, 3/8 in Drill - Fraction, 0.375 in Drill - Decimal Inch, 4-1/4 in Overall Length, 2-11/16 in Cutting Depth, 2-11/16 in Flute Length, 3-Flat Shank, 135 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Black Steam Oxide/Bronze Oxide

Specifications

Cutting Depth 2-11/16 in
Cutting Direction Right Hand
Cutting Edge Material HSS
Drill Size - Decimal Inch 0.375 in
Drill Size - Fraction 3/8 in
Finish Black Steam Oxide/Bronze Oxide
Flute Length 2-11/16 in
Material HSS
Overall Length 4-1/4 in
Point Angle 135 deg
Point Type Split/Self-Centering
Series 321MD
Shank Type 3-Flat
Type Heavy Duty

Country of Origin: Brazil

Standards and Approvals: ANSI Specified, CSA Approved

Application:
Industrial Maintenance, Repair and Overhaul Applications

Features

  • Shorter flute and overall length than the 332HD jobber length drills for superior rigidity when used in portable drills
  • Additionally features 3-flats on the shank for tighter chucking particularly in keyless chucks
  • The self-centering 135 deg split point additionally reduces the thrust requirements and minimizes 'walking' particularly on curved surfaces
  • Functional steam and bronze oxide surface treatment provides both abrasion resistance and improved lubricity

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