Multi-purpose drill bits for rotary or percussion drilling one bit for every job
0.3 USD
Min. Order: 200 Piece/Pieces
Payment Terms: L/C, T/T
Place of Origin: Zhejiang, China (Mainland)
Means of Transport: Ocean, Air
Production Capacity: 50000pcs per month
Packing: plastic bag, plastic...
Delivery Date: 30 days
Brand Name: SINOLITE
Product:: Multi-purpose drill bits
Application:: drill holes on metal sheet, granite, etc.
Characteristics:: Cobalt tungsten carbide tipped, Chrome Vanadium shank
Made from new generationi components
allowing excellent operation in many materials and improved wear life
resharpenable by diamond grinding wheel
Multi-purpose drill bits for rotary or percussion drilling one bit for every job
  • Multi-purpose drill bits for rotary or percussion drilling one bit for every job
  • Multi-purpose drill bits for rotary or percussion drilling one bit for every job
  • Multi-purpose drill bits for rotary or percussion drilling one bit for every job
  • Multi-purpose drill bits for rotary or percussion drilling one bit for every job
  • Multi-purpose drill bits for rotary or percussion drilling one bit for every job

1)Products: Multi-Purpose Drill Bits

Metric size: 3-22mm; Inch size: from 1/8"-1"

Copper color, black flute

Cobalt & Tungsten Carbide Tip,Chrome Vanadium Steel Shank


2)Picture of Multi-Purpose Drill Bits in cooper color black flute

Multi-purpose drill bits for drilling steel.


3)Metric Sizes

MetricTotal LengthShank
3mm70mmStraight
4mm83mmStraight
5mm89mmStraight
6mm108mmStraight
7mm111mmStraight
8mm114mmStraight
9mm127mmStraight
10mm160mmStraight
11mm160mmStraight
12mm160mm9.52mm
13mm160mm9.52mm
14mm160mm9.52mm
16mm160mm9.52mm
18mm160mm9.52mm
20mm160mm9.52mm
22mm160mm12.7mm

4)Inch sizes

InchTotal LengthShank
3/32"2-3/4"Straight
1/8"2-3/4"Straight
5/32"3-1/4"Straight
3/16"3-1/2"Straight
7/32"3-3/4"Straight
1/4"4-1/4"Straight
9/32"4-3/8"Straight
5/16"4-1/2"Straight
11/32"5"Straight
3/8"5-15/16"Straight
13/32"6-1/4"Straight
7/16"6-1/4"Straight
15/32"6-1/4"3/8"
1/2"6-1/4"3/8"
9/16"6-1/4"3/8"
5/8"6-1/4"3/8"
3/4"6-1/4"3/8"
7/8"6-1/4"1/2"


5)130 degrees of carbide tip, can be resharpened after long time use

Multi-purpose drill bits for drilling steel.

6)R.P.M. Recommended

Hardened Steel & Iron      2000-4000RPM

   (Lubricant/Coolant keeps the bit sharper for a longer life)

Stainless Steel            2000-4000RPM

   (Lubricant required)

Glass Tile, Granite & Marble:  300-600RPM

    (Coolant improves cut and extends life of the bit)

Plastics and Laminates:        300-600RPM

7)Reuse of drill bits

You can resharpen your drill bits after long time use to save drill bits' life and your money

by using diamond sharpening wheel 

9)118 or 130 degrees of Tungsten Carbide Tipps are available for your choice