Milwaukee® Thunderbolt® RED HELIX™ 48-89-2313 Jobber Length Twist Drill Bit, 1/4 in Drill - Fraction, 0.25 in Drill - Decimal Inch, 135 deg Point, Steel, Cobalt

20222486 MFG #: 48-89-2313
  • Series: Thunderbolt® RED HELIX™
  • Drill Diameter Measurement System: Imperial
  • Drill Size - Fraction: 1/4
  • Drill Size - Decimal Inch: 0.25
  • Overall Length: 4.09
  • Cutting Depth: 3-3/4
  • Flute Type: Parabolic
  • Flute Length: 3-3/4
  • Shank Size: 3/8
  • Shank Type: 3-Flat
  • Point Angle: 135
  • Point Type: Split
  • Cutting Direction: Right Hand
  • Cutting Edge Material: Steel
  • Material: Steel
  • Finish: Cobalt, Cobalt Coated
  • Applicable Materials: Hard Metal, Plastic, PVC, Stainless Steel and Wood, Wood, Metal, Plastic, PVC and Stainless Steel, Wood, Stainless Steel, Metal, Plastic and PVC
  • Diameter: 1/4
  • Through Coolant: No
Milwaukee® Thunderbolt® RED HELIX™ Jobber Length Twist Drill Bit, Imperial, 1/4 in Drill - Fraction, 0.25 in Drill - Decimal Inch, 4.09 in Overall Length, 3-3/4 in Cutting Depth, Parabolic Flute, 3-3/4 in Flute Length, 3/8 in Shank, 3-Flat Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, Steel Cutting Edge, Steel, Cobalt, Applicable Materials: Hard Metal, Plastic, PVC, Stainless Steel and Wood
  • Cobalt alloy for up
  • Up to 10X life vs black oxide
  • QUADEDGE TIP™ design
  • 135 deg split point for precision start no walking
  • ENHANCED TAPERED WEB
  • Red HELIX™ design for rapid chip Removal™
  • VARIABLE HELIX™ desi
  • CHIP BREAKER™ decreased heat buildup
  • 135 deg split point
  • Secure Grip™ - prevents bit from slipping in chuck
  • 3-flat Secure-Grip™
  • Up to 10X life vs bl
  • Red HELIX™ design fo
  • Chip BREAKER™ decrea
Cobalt alloy for up to 15X life vs black oxide drill bits
Up to 10X life vs black oxide
QUADEDGE TIP™ designed to decrease heat build up and drill faster
135 deg split point for precision start no walking
ENHANCED TAPERED WEB™ strengthens the bits core
Red HELIX™ design for rapid chip Removal™
VARIABLE HELIX™ design for rapid material extraction
CHIP BREAKER™ decreased heat buildup
135 deg split point for precision start no walking
Secure Grip™ - prevents bit from slipping in chuck
3-flat Secure-Grip™ helps keep the bit fixed within the chuck
Up to 10X life vs black oxide
Red HELIX™ design for rapid chip Removal™
Chip BREAKER™ decreased heat buildup