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442F15 Flat-Bottom Drill Bits

$138.21

Bulk orders will be discounted, please contact us.

These drill bits have a TiAlN coating that withstands high temperatures and protects the bits from wear during high-speed, dry machining applications with difficult-to-machine ferrous metals. Carbide drill bits provide excellent hardness, wear resistance, and heat resistance, but they require a rigid setup such as a drill press. These drill bits have holes that allow coolant to flow to their tip to reduce heat and help clear chips during drilling. Screw-machine length drill bits are shorter than jobber length and maintenance length drill bits and can access tight spaces where longer drill bits cannot fit. They provide more strength and rigidity and can drill straighter holes than longer drill bits.

Product Number: 442F15

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  • Description
Mfr Model A7191TFT-7/16IN
Measurement System Fractional Inch
Drill Bit Size 7/16 in
Decimal Equivalent 0.4375
Maximum Drilling Depth 88.00 mm
Overall Length 4 in
Shank Type Machining Straight
Finish Machining TiNAl
Material Machining Carbide
Primary Material Application Aluminum; Brass; Bronze; Cast Iron; Copper; Nickel; Stainless Steel; Steel; Titanium
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 1-11/16 in
Flute Type Spiral
Standards TP-NORM 71
Drill Bit Point Angle 180 °
Drill Bit Point Type Flat Bottom
Number of Flutes 2
Helix Angle 180 °
Depth Dia Ratio 2xD
Shank Dia 12.00 mm
Primary Material Application ISO Code K; M; N; P; S
Material Grade Machining TFT
Sheeter Drill No
Drill Point Length 0 in
Shank Length 2-3/64 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance P7
Secondary Material Application Composite; Hardened Steel
Secondary Material Application ISO Code H; O
Number of Coolant Holes 2
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