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CLEVELAND

Jobber Length Drill Bit, 5/16", High Speed Steel, Bright, List Number 3957

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Extension Drill,Aircraft,5/
Extension Drill,Aircraft,5/
Jobber Length Drill Bit, 5/16", High Speed Steel, Bright, List Number 3957 Video

#921299-9 | Pkg Qty: 1

$25.86 pkg | $25.86 ea

Drop Ship Item

Shipping to 60045

Technical Specifications

Key Specifications
Brand
CLEVELAND
Item
Jobber Length Drill Bit
Coolant Through
Non-Coolant Through
Jobber Length Basic Material
High Speed Steel
Cutting Direction
Right
List Number
3957
Cutting Direction
Right Hand
Maximum Drilling Depth
1-1/4 in.
Decimal Equivalent
5/16
Meets/Exceeds
National Aerospace Standards (NAS) 907, Type B
Depth x Diameter Ratio
4xD
Mfr. Part Number
C13115
Dimension Type
Fractional Inch
Number of Flutes
2
Drill Bit Dimension Type
Fractional Inch
Number of Pieces
1
Drill Bit Finish
Bright (Uncoated)
Overall Length
6 in.
Drill Bit Material
High Speed Steel
Pack Quantity
1
Drill Bit Point Angle
135 deg.
Point Angle
135 deg.
Drill Bit Size
5/16 in.
Point Type
Split Point
Drill Point Length
0.0647 in.
Series
3957-6
Finish
Bright
Shank Diameter
5/16 in.
Flute Length
3-3/16 in.
Shank Length
2-13/16 in.
Flute Type
Spiral
Shank Type
Straight
Grade
Heavy Duty
Shipping Weight
0.11 lb.
Helix Angle
21 to 34
Spiral Direction
Right Hand
General
Aircraft Drill
Yes
Material - Machining
High Speed Steel
Application
For Alloy Steel, Carbon Steel And Cast Iron
Material Grade - Machining
High Performance
Coolant Fed
Non-Coolant Through
Measurement System
Fractional Inch
Depth:Dia. Ratio
4xD
Primary Material Application ISO Code
N, P
Drill Bit Grouping
Individual
Secondary Material Application
Cast Iron, Stainless Steel
Drill Bit Point Type
Split Point
Secondary Material Application ISO Code
K, M
Drill Diameter Tolerance
+0.0000 in /-0.0010 in
Shank Dia.
5/16 in
Drill Length Class
Jobber Length
Shank Type - Machining
Straight
Finish - Machining
Bright (Uncoated)
Standards
National Aerospace Standards (NAS) 907, Type B

Product Description

These drill bits meet National Aerospace Specification (NAS) 907 Type B. They have a bright finish that is not affected when their cutting edges are resharpened.

Item Barcode
9212999
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