Fengyi Customized Step Drill Bit Set Drill Tip Indexable Inserts Standard Drilling Head

Product Description

Customized Step Drill Bit Set
Drill Tip Indexable Inserts
Standard Drilling Head
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Monotip Carbide Indexable Qdrill Specifications

Technical Parameters & Advantages
Applicable Cutting Head Dia(mm) φ8mm - φ26mm, every 0.1mm a size interval. For example: 16.0mm, 16.1mm, 16.2mm...
Drill Blade Design S1 / S2 / RA / RB
Applicable Diameter Selection 1.5D / 3D / 5D / 8D / 10D / 12D
Machining Accuracy Radial axial runout 0.02mm, and the hole accuracy is controlled at 0.05mm after machining.
Advantages & Characteristics • Independent drill tip, good integrity, smooth hole wall, high precision
• Screw-free locking, self-locking structure for quick bit replacement
• Internal cooling structure for full cooling during processing
Customization Available design and production of special multi-insert drill tools according to technical drawings.
Drilling Tool Details
Technical Drawing
Product Size Chart
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Drill Blade Design and Material Recommendations

Drill Head Model Recommended Processing Material
Drill Head S1 Used for middle and high carbon steel, alloy steel, nodular cast iron etc. (Especially for less than 5D)
Drill Head S2 Used for grey iron cast, nodular cast iron etc.
Drill Head RA Drill with self-centering, less drill force. Used for middle and high carbon steel, alloy steel etc. (Especially for less than 5D)
Drill Head RB Drill with self-centering and less drill force. Used for stainless steel, titanium, nickel-base alloys, Mn steel etc.
Tool Interface
Drilling Performance
Insert Details
Processing Case
Precision Drilling
Insert Tip
Technical Specifications List
Tool Geometry

Frequently Asked Questions

Q1 Are you a trading company or a manufacturer?
We are a professional manufacturer with independent export rights.
Q2 Where is your facility located?
Our production and sales facilities are located in Chengdu, Sichuan Province, China.
Q3 Can you produce according to a sample? Does the product match the images?
Yes, we can produce according to your sample or technical drawing. The final product will correspond exactly with the sample specifications and provided images.
Q4 What is the standard lead time for orders?
For stock items, goods are delivered within 48 hours after payment. For non-stock items, lead time ranges from 5 to 35 days depending on the order quantity.
Q5 Do you provide samples for testing?
Yes, we provide sample delivery services. For more information, please reach out to us via the contact options available on the site.
Q6 Can you provide customized tool designs?
Absolutely. We specialize in designing and manufacturing customized multi-insert drill tools based specifically on client drawings and machining requirements.
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