High Speed Steel Standard Step Drill Counterbore

ITEM # 01-905-100

Brand: TTC PRODUCTION

Weight: 0.125 lbs.

Model #: 01-905-100

Short Description: 5/16"-24 HSS STEP DRILL COUNTBORE TTC PROD

Msrp: $31.18

Price: $31.18 EA.

Description
Specification

Features

·Right hand (clockwise rotation) cutting direction.
·Standard two flute design.
·Standard spiral, helical flutes.
·Cuts both body and counterbore diameters in a single pass.
·Straight shanks that corresponds to the drill diameter.

Applications

·Designed for drilling mounting holes for socket-head cap screws.
·The dual cutting diameters produce holes properly sized for each size screw.
·The two styles available permit the holes to be drilled for both through holes and tapped holes. The through hole style produces holes with a body diameter slightly larger than the major diameter of the screw. The tapped hole type drills holes with the diameter needed for tapping the holes to approximately 70% thread. Both types also produce a counterbored area correctly sized for the screw head.
·Suitable for a range of ferrous and non-ferrous metals and alloys, and non-metallic materials.
·The cutting lengths are sufficient to permit repeated sharpenings.
·For optimal performance and the best tool life, suitable lubricating/cutting oils or the appropriate coolant fluids are recommended.

Benefits

For Cap Screws
·Drills cap screw clearance holes.
·Does 2 jobs in a single pass.
·Can be sharpened repeatedly.
·Modified for any special length-of-step.
For Taps
·Drills 45° chamfered holes to be tapped (to produce approximate 70% thread).

Flute Length

3-7/8"

Overall Length

5-1/4"

Finish Coating

Bright Finish

Tool Material

High Speed Steel

Cutting Direction

Right Hand

Flute Shape

Standard Spiral, Helical Flute

Hardness

58 to 60 RC

Weight

0.125 lbs.

Country of Origin

UNITED STATES OF AMERICA

No. of Flutes

Application

For Taps

Model #

01-905-100

For Use With

For Taps

Shank Type

Straight Shank

Screw Size

5/16"-24

Major Diameter

13/32"

Minor Diameter

.272"

Screw Length

5/16"-24

Step Length

15/16"

Manufacturer Part Number

01-905-100

Unit Of Measure

Catalog Price

31.18

Product Spec Display

Brand

TTC PRODUCTION

Type

High Speed Steel Standard Step Drill Counterbore

Prop. 65

Yes

First Choice For:

Steel

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High Speed Steel Standard Step Drill Counterbore

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