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Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: SUNNY
  • Model Number: SY-SXZ-015
  • Type: Twist Drill Bit, Power Tool Parts,Twist drill bit
  • Material: Diamond, Steel/Carbide
  • Use: Metal Drilling
  • Item: Solid drills
  • Brand name: Sunny
  • Drill bit: fully ground,Cobalt
  • Point angle: 118 or 135 point angle
  • Certification: BV/SGS/ISO
  • Grade: A-Grade
  • Finished: Black finish,TiN Coated, etc
  • Raw Material: Diamond

Packaging & Delivery

Packaging Details Paper bag and poly bag for inner packaging. Carton bag or wooden box with straps for outer packaging.
Delivery Time 10-15days, confirm with sales before place an order
Product Description


       Twist drill bits range in diameter from 0.002 to 3.5 in (0.051 to 89 mm) and can be as long as 25.5 in (650 mm).

     The geometry and sharpening of the cutting edges is crucial to the performance of the bit. Small bits that become blunt are often discarded because sharpening them correctly is difficult and they are inexpensive. For larger bits, special grinding jigs are available. A special tool grinder is available for sharpening or reshaping cutting surfaces on twist drill bits in order to optimize the bit for a particular material.

      Manufacturers can produce special versions of the twist drill bit, varying the geometry and the materials used, to suit particular machinery and particular materials to be cut. Twist drill bits are available in the widest choice of tooling materials. However, even for industrial users, most holes are drilled with standard high speed steel bits.

       The most common twist drill bit (sold in general hardware stores) has a point angle of 118 degrees, acceptable for use in wood, metal, plastic, and most other materials, although it does not perform as well as using the optimum angle for each material. In most materials it does not tend to wander or dig in.


Packaging & Shipping

  Paper bag and poly bag for inner packaging. Carton bag or wooden box with straps for outer packaging.


    We ship using express such as DHL, UPS, FEDEX etc. or according to customer's requirement

Our Shipping target is to dispatch the day following receipt of cleared payment.
 Please allow 7 days to receive your order.


Company Information






Our Services



1. TT, western union, Money Gram and PayPal

2. 100% payment before delivery

3. To the Bulk order, the L/C is also can consider


Delivery time:  Within a week after payment

Transport ways choose:

1. Urgent order with less weight or samples SUNNY recommend express service.
2. Normal (regular) orders which weight over 45kgs SUNNY recommend Air Cargo.
3. Big diameter saw blades or heavy weight SUNNY recommend Sea Cargo.

For expert advice, regarding questions about our company or concerns SUNNY products

(diamond tools) please contact us through e-mail or link on: sunnytools.en.alibaba.com/company_profile.html


Transaction History of the Supplier

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Transaction Overview


Transaction Details

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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
10 Transactions 10,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $300,000
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