Ningbo Lianchuang Hewo Precision Tools Co., Ltd
                                                                                                           
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10 Years
Since 2016
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100×D Gun Drill Bits High Precision For Right Hand Cutting Direction

Price Negotiable
Price: 40—300 USD
MOQ: 2
Delivery Time: 7-10day
Brand: ARNOLD
Product Description

Product Description:

A Gun Drill is a specialized deep hole drilling tool originally developed for manufacturing gun barrels—hence the name. It is designed to drill very deep and precise holes with excellent straightness, roundness, and surface finish.

Gun drills are widely used in industries like aerospace, automotive, mold making, medical devices, and hydraulics.

 

Features:

Key Features

Deep Hole Capability:
Capable of drilling depths exceeding 100 times the diameter (100×D) or more.

High Precision:
Excellent straightness, roundness, and surface finish.

Single-Flute Design:
Easier chip evacuation, though it requires slower feed rates.

Internal Coolant Flow:
Enables continuous cutting and efficient chip removal.

 

Technical Parameters:

 

Comparison with Other Drilling Methods

Feature Gun Drill Twist Drill BTA Drill
Deep Hole Capability Excellent (>100×D) Limited (<5–10×D) Superior (>150×D)
Hole Quality High Moderate High
Chip Removal Internal Coolant External Coolant Dual Flow (ID/OD)
Cost Medium Low High

 

 

 

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Ningbo Lianchuang Hewo Precision Tools Co., Ltd
Location No. 1-3, 1st Floor, Building 8, Ningbo Industrial Internet (Vico) Industrial Park, Yangfan Road, Ningbo High-tech Zone
Contact Person Selly

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