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3 Flutes Countersink Drill Bit Set 6Pcs For Chamfering Deburring

Short Description:

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 (by comparison, a counterbore makes a flat-bottomed hole that might be used with a socket-head screw).

A countersink may also be used to remove the burr left from a drilling or tapping operation thereby improving the finish of the product and removing any hazardous sharp edges.

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Product Detail

Product Tags

Product Information

Product Name	90 Degrees Countersink Drill Bit
Material	HSS M42(8% Cobalt) / M35 (5% Cobalt) / M2 / W4
Shank	Round Shank ,Quick Change Hex Shank, Three-Flat Shank, Double R Hex Shank, Tapcon Shank, Flexible Shank, Extra Long Shank are available.
Surface Finish	Sand Blasted , Zinc Plated, Nickel Plated, Chrome Plated, Copper Plated, Black & Bright , Black Oxide are available, Ni/Zin/Cr/Cu/Tin coated.
Process	Fully Ground / Milled / Roll Forged
Sharpening	45 60 90 135 Degree Point ect
Package	PVC bag(single sleeve). plastic tube, plastic box(5/10pcs), PVC(5/10pcs)
Features	1.Multi-Purpose Masonry drill bits drill through just about any type of material – brick, block, tile, metal, wood, plastic and marble – they’ll even drill through multiple materials at the same time. 2.Tough tungsten carbide makes bit suitable for multi-material applications. Sharp diamond- ground edges deliver high drilling speed, even in hard materials. Optimized drilling for good dust clearance in multiple materials. 3.Premium carbon steel with heat treatment improves core strength for maximum durability and extended life. 4.Copper braze material gives high heat resistance for reduced tip loss. 5.R flute ensures fast, efficient removal of drilling dust and debris to increase speed and prevent clogging. 6.Round shank for using in corded and cordless rotary drills.

Product Size

Custom-tailor would be available against customers’ requirements

Application

Scope of application

Application machines

Shipping and Packing

Shipping: Express delivery, air shipping, sea shipping are available for your request. Usual delivery time is 5-10days after receiving the advance payment; For the customized product, 15-30 days after receiving the advance payment.

Packing: We also supply single pvc bag,paper bag,colored plastic square box,transparent plastic box,skin card,sandwich and so on packages with size, logo,brand and other information.

FAQ

Q: Is OEM available?
A: Yes, OEM and customization are available. Graved logo marker,Laser logo marker,, customized packing. Printed Inner box, Carton box.

Q: Are samples available?
A: Yes, you can ask some samples for testing after confirming our prices, but please pay the sample and freight fee, the sample fee will be returned to you after you making official order.

Q: What is your payment terms?
A: T/T,L/C,D/A,D/P,Paypal,Western Union,for different circumstances.

Q: What's your delivery way?
A: Express delivery, air shipping, sea shipping are available for your request.

Q: What's your delivery time?
A: Usual delivery time is 5-10days after receiving the advance payment; For the customized product, 15-30 days after receiving the advance payment.

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