What is the purpose of the bronze oxide finish?

The bronze oxide is a low temperature heat treatment that reduces grinding stress within the tool.

What is the advantage of the right-hand twist design?

The right-hand twist brings chips up and away from the cutting edge for efficient chip extraction.

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Precision Twist Drill

Precision Twist 209CO Cobalt Steel Taper Shank Drill Bit, Bronze Oxide Finish, Morse Taper Shank, Spiral Flute, 135 Degree Point Angle, 1 38"

Item #:16157316

4.7 rating

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PKR 248189

This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.

Availability : In Stock

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Best performance with drilling into hardened, tempered alloy steel, nodular graphite malleable cast iron, and stainless.

Product Details

Material
Cutting Diameter
Finish Type
Shank Type
Cutting Angle String
Package Dimensions
Material
Cutting Diameter
Finish Type
Shank Type
Cutting Angle String

Features & Benefits

Precision Twist 209CO taper length drill bit
Made of high speed steel and cobalt with a bronze oxide finish
Suitable for drilling into hardened, tempered alloy steel, nodular graphite malleable cast iron, and stainless
Bronze oxide is a low temperature heat treatment that reduces grinding stress within the tool
Spiral flutes act as a passageway for chip extraction and coolant to enter the hole
Morse taper shank provides a secure holding system and accurate placement of the tool
Twist drill bits with right hand twist bring chips up and away from the cutting edge

Product Description

Precision Twist 209CO Cobalt Steel Taper Shank Drill Bit, Bronze Oxide Finish, Morse Taper Shank, Spiral Flute, 135 Degree Point Angle, 1 38"

Overview

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Customer Questions & Answers

Question : What materials is this drill bit suitable for drilling into?
Answer : Hardened, tempered alloy steel, nodular graphite malleable cast iron, and stainless.
Question : What is the purpose of the bronze oxide finish?
Answer : The bronze oxide is a low temperature heat treatment that reduces grinding stress within the tool.
Question : What is the advantage of the right-hand twist design?
Answer : The right-hand twist brings chips up and away from the cutting edge for efficient chip extraction.

Customer Ratings

4.7 out of 5

197 customers ratings

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Precision Twist 209CO Cobalt Steel Taper Shank Drill Bit, Bronze Oxide Finish, Morse Taper Shank, Spiral Flute, 135 Degree Point Angle, 1 38"

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Precision Twist 209CO Cobalt Steel Taper Shank Drill Bit, Bronze Oxide Finish, Morse Taper Shank, Spiral Flute, 135 Degree Point Angle, 1 38"

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