COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-3/8"

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FEATURES:
Material: Alloy Steel
Outside Diameter: 14mm/0.55"
16mm/0.62"
18mm/0.71"
21mm/0.82"
26mm/1.02"
28mm/1.11"
35mm/1.37"

USAGE SUGGESTION:
Hole saw may become overheated and get damaged or even burned up due to fast rotary friction,
we suggest customers to use cutting fluid to keep the hole saw cold during usage.
Keep the drill be stable when drilling, otherwise the centre bit may get snapped due to excessive shaking.
Start drilling with a slow drill rotary speed, or the centre bit may be shattered on first use.
The larger the hole saw is, the slower the drill rotary speed should be, this way can protect the centre bit from getting snapped.
PACKAGE INCLUDES:
7 x Hole Saw Drill Bit

Designed specifically for sheet metal cutting, even stainless steel.
Material: Tungsten Carbide Steel Tooth.
Size: 14mm/0.55", 16mm/0.62", 18mm/0.71", 21mm/0.82", 26mm/1.02", 28mm/1.11", 35mm/1.37"
Suitable For Pistol Drill, Bench Drill,Vertical Drilling Machine Etc.Widely Used In Plate Hole, Home Wood, Galvanized Pipe, Fire Pipe, Plastic, Gypsum Board And Other Opening Operation.
Provide 7 Kinds of SIZE Hole Saw ,Meet Your Different Needs.

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7pcs 14-35mm Tungsten Carbide Steel Tooth Hole Saw Cutter Tool Drill Bit Set for Stainless Steel, Mild Steel, Iron, Copper and Brass

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