TCT Multi-Purpose Drill Bit for Hardened Steel

Model: 7089
Place of Origin: Zhejiang,China (Mainland)
Brand Name: SINOLITE
Charateristics:: Cobalt and Tungsten Carbide Tip, CV steel shank
Application:: unverisal cutting on casted iron, harden metal, glass, ceramic tile, marble, granite, laminates, wood

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Product Description

Payment & Shipping Terms Supply Capacity
Unit Price:0.3 USDProduction Capacity:50000pcs per month
Payment Terms:L/C, T/TPacking:plastic bag, plastic...
Min. Order:200 Piece/PiecesDelivery Date:30 days
Means of Transport:Ocean, Air

1) Multi-purpose drill bit for Hardened Steel 

   Cobalt and tungsten carbide tip,Chrome and vanadium steel shank

   to drill on hardened steel, stainless steel,

   as well as porcelain tile, ceramic, granite marble brick masonry concrete PVC

   metric size: 3-12mm;   Inch size: 5/32"-1/2"

2)Picture of multi-purpose drill bit black fluted

TCT Multi-Purpose Drill Bit for Hardened  Steel

3)Metric sizes(mm)

MetricTotal LengthShank
3mm70mmStraight
4mm83mmStraight
5mm89mmStraight
6mm108mmStraight
7mm111mmStraight
8mm114mmStraight
9mm127mmStraight
10mm160mmStraight
11mm160mmStraight
12mm160mm9.52mm


4)Inch Size

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"


5) Drilling Instruction

Please follow the speed and technique instructions below

Hardened Steel and Iron            2000—4000 RPM (Lubricant)

Masonry/Concrete                 2000—4000 RPM (Percussion)

Stainless Steel                    1500—2500 RPM (Coolant)

Glass/Tile/Granite                  300—600 RPM

Plastic and Laminates               300—600 RPM

Solid Surface Materials              300—600 RPM

Wood and Composite                500—1000 RPM


Drill on different types of materials

TCT Multi-Purpose Drill Bit for Hardened Steel

Category: Multi-Purpose Drill Bits


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