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Medical Device Speed Steel Gun Drills With 30 Degree Helix Angle Excellent Surface Finish
Medical Device Speed Steel Gun Drills With 30 Degree Helix Angle Excellent Surface Finish
Specifications
Brand Name :
ARNOLD
Place of Origin :
China
Certification :
ISO9001:2000
MOQ :
2
Price :
40—300 USD
Packaging Details :
standard packaging
Delivery Time :
7-10day
Supply Ability :
1000000 Piece/Pieces per Month
Model Number :
GD-DH (21-32)
Point Angle :
90 Degrees
Material :
High-speed Steel
Coolant Hole :
Available
Accuracy :
±0.001 Inch
Flute Type :
Single Flute
dc :
(21-32)
Surface Finish :
Bright Or Black Oxide
Helix Angle :
30 Degrees
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

**DC**

***LF***

**PL**

DCONMS

**BD**

**LS**

Insert

21.00

266.00

3.20

32.00

20.00

60.0

TOGT 10..

22.00

278.00

3.40

32.00

21.00

60.0

TOGT 11..

23.00

289.00

3.40

32.00

22.00

60.0

TOGT 11..

24.00

301.00

3.40

32.00

23.00

60.0

TOGT 11..

25.00

312.00

3.40

32.00

24.00

60.0

TOGT 11..

26.00

324.00

3.60

40.00

25.00

70.0

TOGT 12..

27.00

335.00

3.60

40.00

26.00

70.0

TOGT 12..

28.00

337.00

3.60

40.00

27.00

70.0

TOGT 12..

29.00

360.00

4.57

40.00

27.00

69.0

TOGT 13..

30.00

383.00

4.57

40.00

29.00

69.0

TOGT 13..

31.00

383.00

4.57

40.00

29.00

69.0

TOGT 13..

32.00

395.00

4.57

40.00

30.00

69.0

TOGT 13..

Applications:

Common Applications

Firearm Barrels:
The original application.

Automotive Industry:
Used for crankshafts, fuel injectors, valve bodies, etc.

Aerospace Components:
Fuel lines, hydraulic manifolds, and structural elements.

Mold Making:
Cooling channels in injection molds.

Medical Devices:
Such as surgical tools, bone drills, and cannulas.

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Medical Device Speed Steel Gun Drills With 30 Degree Helix Angle Excellent Surface Finish

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Product Detail
Brand Name :
ARNOLD
Place of Origin :
China
Certification :
ISO9001:2000
MOQ :
2
Price :
40—300 USD
Packaging Details :
standard packaging
Contact Supplier
Medical Device Speed Steel Gun Drills With 30 Degree Helix Angle Excellent Surface Finish

Ningbo Lianchuang Hewo Precision Tools Co., Ltd

Verified Supplier
1 Years
ningbo
Since 2016
Business Type :
Manufacturer
Main Products :
Solid Carbide Drill, Gun Drills, BTA Drilling
Total Annual :
6000000-8000000
Employee Number :
100~120
Certification Level :
Verified Supplier
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