3PCS HSS Step Cone Drill Titanium Steel Metal Hole Cutter Bit Set 4-20mm + Pouch

• Customized: Non-Customized
• Standard: Many
• Length: Standard
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Type: Countersink Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Delivery Time: 15-45 Days
• MOQ: 1000PCS
• Free Sample: Avaliable
• Transport Package: Adjustment According to Customers′ Requirements
• Specification: all sizes are available
• Trademark: GOLDMOON
• Origin: Danyang
• HS Code: 82075090
• Production Capacity: 5000PCS/Week

Product Description

Specification:
Size Include: 4-12mm(9 Step), 4-20mm(9 Step), 4-32mm(15 Step)
Material: HSS Steel
Quantity: 1 Set(3 PCS)
Finish: Titanium
Length:
4-12mm Length: Approx. 74mm/ 2.91"
4-20mm Length: Approx. 74mm/ 2.91"
4-32mm Length: Approx. 103mm/ 4.06"
The 3 Cutters Come in the Following Sizes:
4-32mm (15 Step: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)
4-20mm (9 Step: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)
4-12mm (9 Step: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm,11mm, 12mm)
 
Feature:
 
-100% brand new and high quality.
-Drop forged, heat treated, high speed steel, fully polish.
-Take the guessing out of drilling by supplying the proper depth for you.
-Use for home and industrial.

Package Included:
1set(3pcs) x HSS Steel Drill Bit 
 
 Note:

• When drill the hardness and larger diameter hole, must cooling the bit with cool water, recommend the drilling rate for 120-240 is suitable for processing 6 mm and below plate, the bits are high speed steel material, drilling rate are 120/minute, expanding to more than 20 mm hole, drilling rate shall not be higher than 400 RPM and used water cooling.