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4HAY1 Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits 02

$3.44

Bulk orders will be discounted, please contact us.

These drill bits come in standard sizes expressed in millimeters. They have a black-oxide finish that retains lubricants to improve the bits' wear resistance and chip flow. Black-oxide bits should only be used for drilling ferrous metals. The bits' spiral flutes 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: 4HAY1

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  • Description
Mfr Model 47308
Cutting Direction Right Hand
Finish Machining Black Oxide
Measurement System Metric
Material Machining High Speed Steel
Drill Bit Point Angle 118 °
Drill Bit Point Type Conventional Point
Primary Material Application Cast Iron; Steel
Coolant Fed Non-Coolant Through
Depth Dia Ratio 4xD
Flute Type Spiral
Standards DIN 338
UNSPSC 27112801
Country of Origin USA (subject to change)
Drill Length Class Jobber Length
Spiral Direction Right Hand
Drill Bit Size 7.10 mm
Decimal Equivalent 0.2795
Number of Flutes 2
Flute Length 69.00mm
Shank Type Machining Straight
Shank Length 40mm
Overall Length 109.00mm
Drill Point Length 0.084mm
Drill Diameter Tolerance +0.0000 in/-0.0010 in
Sheeter Drill No
Material Grade Machining General Purpose
Primary Material Application ISO Code K; P
Secondary Material Application Medium Carbon Steel; Stainless Steel
Secondary Material Application ISO Code M; P
Series 150
Maximum Drilling Depth 2-1/32 in
Helix Angle 21° to 34°
Aircraft Drill No
Web Thinning Thinned
Web Construction Conventional Point

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