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90 Degree 3 Flutes HSS Chamfer Metal Countersink Drill Bits for Chamfering and Deburring and Counter Sink

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Product Description

Overview & Basic Info
Length:
Taper-length
Type:
Countersink Drill Bit
Material:
High Speed Steel
Usage:
Metal Drilling, Aluminum, Stainless Steel
Degree:
60, 90, 120 Degree
Flutes:
Single, Three, Four, Five, Six, Seven Flutes
Shank:
Straight, Tapered, Hex, Triangle
Manufacturing:
Fully Ground, Milled
Size:
Dia 4.3 to 40 mm
Production:
100,000 PCS Per Month
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Product Description
HSS Countersink

A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common use is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the surrounding material. It may also be used to remove the burr left from a drilling or tapping operation, improving the finish and removing hazardous sharp edges.

Chamfer Metal Countersink
Key Features
  • Ideal for chatter-free and burr-free work on sheet metal, nonferrous metal, cast iron, and light metals.
  • Designed for fast shearing and chatterless cuts.
  • Exceptionally fine finish and can be run at maximum speed.
  • Cutting edges quickly center in hole and produce a smaller chip load for precision machining.
  • Available in 60, 75, 82, and 120 degrees.
  • M35 % HSSCo5 (HSS-E) available to specified requirements.
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Technical Parameters
Property Specification
MaterialHSS, HSS Al, Carbide etc.
Size6mm-60mm, or customized
Degree60°, 90°, 120°
ProcessFully ground
Flutes1, 3, 4, 6
ShankStraight, Tapered
Surface ColorBright finish, Black oxide, Tin-coated
Parameter Chart
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Product Range & Capabilities
Product Catalogs
Production Facility
  • Direct manufacturer with 100% export worldwide including USA, Europe, and Middle East.
  • Over 15 years of professional production experience.
  • Wide product range: HSS drill bits, masonry drills, SDS drills, step drills, and wood auger bits.
  • High sample-to-order conversion rate exceeding 95%.
Certifications
Exhibition
Praise
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Packing & Logistics
Packaging
Plastic pipe packingMetal display box packing
Plastic tube packingPlastic display box packing
1pc / PVC bag + inner paper boxWooden box for drill set

Shipping Methods:
1. Express (TNT/FedEx/DHL/UPS) for samples or lightweight goods.
2. Air or Sea freight for batch orders.
3. Production Time: 3-7 days for samples; 2-3.5 weeks for batch goods.

Frequently Asked Questions
Q: Are you a factory or a trading company?

A: We are a professional manufacturer with over 15 years of experience in this product line. Factory inspections via video are available.

Q: What is your quality advantage?

A: We utilize a stringent quality control system to ensure global standards. As a direct manufacturer, we provide quick responses and competitive pricing through efficient cost control.

Q: Is OEM and customization available?

A: Yes, we offer full OEM services including engraved or laser logo marking and customized packaging for both inner boxes and cartons.

Q: Can I get samples before placing an order?

A: Yes, samples are available for quality testing. While there is an initial fee for samples and freight, this fee is returned once an official order is placed.

Q: What is the standard delivery time?

A: Bulk orders depend on the production plan. For customized products, the typical lead time is 15-30 days after receiving the advance payment.

Q: How do I customize my specific requirements?

A: Please provide detailed drawings including surface treatment, material specifications, quantity, and any other special requirements.

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