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442R45 Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits

$19.23

Bulk orders will be discounted, please contact us.

These drill bits come in standard sizes expressed in millimeters. They have a bright finish that is not affected when the bits' cutting edges are resharpened, and they have spiral flutes that evacuate chips as the bits drill into a workpiece. These bits have a straight shank that installs into a drill chuck or similar toolholder.

Product Number: 442R45

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  • Description
Mfr Model A1247-7.7
Cutting Direction Right Hand
Finish Machining Bright (Uncoated)
Measurement System Metric
Material Machining High Speed Steel
Drill Bit Point Angle 130 °
Drill Bit Point Type Conical Point
Primary Material Application Aluminum; Brass; Bronze; Cast Iron; Copper; Nickel; Stainless Steel; Steel; Titanium
Coolant Fed Non-Coolant Through
Depth Dia Ratio 8xD
Flute Type Spiral
Standards DIN 338
UNSPSC 27112801
Country of Origin France (subject to change)
Drill Length Class Jobber Length
Drill Bit Size 7.70 mm
Decimal Equivalent 0.3031
Number of Flutes 2
Flute Length 75.00 mm
Shank Type Machining Straight
Shank Length 42.00 mm
Overall Length 117.00 mm
Drill Point Length 1.80mm
Drill Diameter Tolerance H8
Sheeter Drill No
Material Grade Machining General Purpose
Primary Material Application ISO Code K; M; N; P; S
Secondary Material Application Composite
Secondary Material Application ISO Code O
Series Alpha X-E
Maximum Drilling Depth 75 mm

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