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442D77 Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits

$9.84

Bulk orders will be discounted, please contact us.

These drill bits come in standard sizes expressed in fractional inches. 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: 442D77

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  • Description
Mfr Model A1211-25/64IN
Cutting Direction Right Hand
Finish Machining Bright (Uncoated)
Measurement System Fractional Inch
Material Machining High Speed Steel
Drill Bit Point Angle 118 °
Drill Bit Point Type Conical Point
Primary Material Application Cast Iron; Steel
Coolant Fed Non-Coolant Through
Depth Dia Ratio 8xD
Flute Type Spiral
Standards DIN 338
UNSPSC 27112801
Country of Origin Brazil (subject to change)
Drill Length Class Jobber Length
Drill Bit Size 25/64 in
Decimal Equivalent 0.3906
Number of Flutes 2
Flute Length 87.00 mm
Shank Type Machining Straight
Shank Length 46.00 mm
Overall Length 133.00 mm
Drill Point Length 2.98mm
Drill Diameter Tolerance H8
Sheeter Drill No
Material Grade Machining General Purpose
Primary Material Application ISO Code K; P
Secondary Material Application Aluminum; Brass; Bronze; Composite; Copper; Graphite; Nickel; Stainless Steel; Titanium
Secondary Material Application ISO Code M; N; O; S
Series N
Maximum Drilling Depth 87 mm
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