Multi-purpose drill bits for unverisal cutting on casted iron harden metal glass ceramic tile marble granite

Model: 7081
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
Trade Term:FOBProduction Capacity:50000pcs per month
Payment Terms:L/C, T/TPacking:plastic bag, plastic...
Means of Transport:Ocean, AirDelivery Date:30 days

1) Product: Multi-purpose drill bit  

Cobalt and tungsten carbide tip, chrome vanadium steel shank

To drill holes on hardened steel, ceramic tile, marble, plastic, cast iron, concrete, porcelain, glass, and woods etc.


2)Straight shank of Multi-purpose drill bit for cutting metal sheetMulti-purpose drill bits for unverisal cutting on casted iron harden metal glass ceramic tile marble granite

3)Reduced shank multi-purpose drill bit

4)Skinned card for multi-purpose drill bits 

Multi-purpose drill bits for unverisal cutting on casted iron harden metal glass ceramic tile marble granite


5)Metric Size of multi-purpose drill bits

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


6)Inch size of multi-purpose drill bits

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"

7) 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

Category: Multi-Purpose Drill Bits


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