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Precision Twist Drill 6481023 331HD Heavy Duty Jobber Length Drill Bit, 7/16 in Drill - Fraction, 0.4375 in Drill - Decimal Inch, 135 deg Point, HSS, Steam Tempered

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Description

Precision Twist Drill Jobber Length Drill Bit, Heavy Duty, Series: 331HD, Imperial, 7/16 in Drill - Fraction, 0.4375 in Drill - Decimal Inch, 5-1/2 in Overall Length, 4-1/16 in Cutting Depth, Spiral Flute, 4-1/16 in Flute Length, 7/16 in Shank, Straight Shank, 135 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Steam Tempered, Dark Gray, Applicable Materials: Medium Strength Alloy Materials

Specifications

Applicable Materials Medium Strength Alloy Materials
Color Dark Gray
Cutting Depth 4-1/16 in
Cutting Direction Right Hand
Cutting Edge Material HSS
Drill Diameter Measurement System Imperial
Drill Size - Decimal Inch 0.4375 in
Drill Size - Fraction 7/16 in
Finish Steam Tempered
Flute Length 4-1/16 in
Flute Type Spiral
Material HSS
Overall Length 5-1/2 in
Point Angle 135 deg
Point Type Split/Self-Centering
Series 331HD
Shank Size 7/16 in
Shank Type Straight
Type Heavy Duty

Country of Origin: Brazil

Standards and Approvals: ANSI Specified, CSA Approved

Application:
For general drilling applications

Features

  • Web construction is heavier than the 301JD general purpose drills providing greater rigidity and strength in drilling medium strength alloy materials
  • The self-centering 135 deg split point additionally reduces the thrust requirements and minimizes walking particularly on curved surfaces
  • Steam oxide for improved abrasion resistance

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