7PCS Multi-purpose drill bit INCH size 1/8"-1/2" by 1/16" increments

Model: 708007
Place of Origin: Zhejiang,China (Mainland)
Brand Name: SINOLITE
Multi-purpose drill bit: Cobalt and Tungsten Carbide Tip, CV steel shank

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Product Description

1) Product: 7pcs inch size Multi-Purpose Drill Bits 

            1/8"-1/2" by 1/16" increments

            size of 7pcs: 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"

2)Picture of multi-purpose drill bits 7pcs/set

7pcs Multi-purpose drill bit inch size 1/8 -1/2  by 1/16  increments


3)Drilling instructions

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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