Best Coolant Through Drill Bit

Hakkin 12 Pcs Masonry Drill Bits Set, 3mm - 12mm Concrete Drill Bits Set for Cement Glass Wall Brick Wood, Metric System Tungsten Carbide Tip Triangle Alloy Industrial Strength with Storage Case(Blue)

...rials can be processed】Multi-Purpose carbide bit can penetrate through masonry, tile, glass, wood, plastic, ceramic, terracotta, brick, concrete, stucco, brick, cinder block, thin steel, laminate flooring, garden pot, marble, pickguard, mirrors, windows, etc. Please try to keep the drill vertical and use WATER or COOLANT for lubrication when drilling..
【Easy to carry and store】12 Pcs triangle drill bit set with 8 different sizes - 3mm (82mm LENGTH - 2 PCS), 4mm (82mm LENGTH - 2 PCS), 5mm (82mm LENGTH - 2 PCS), 6mm (100mm LENGTH - 2 PCS), 7mm (116mm LENGTH - 1 PCS), 8mm (116mm LENGTH - 1 PCS), 10mm (118mm LENGTH - 1 PCS), and 12mm (120mm LENGTH - 1 PCS). The masonry drill kit is made of exquisite non-rusty plastic storage packaging, beautiful and exquisite, convenient for storage and carrying..
【Easy to Install】The drill bit can be installed and used, cordless electric drill general-purpose, bench, electric drilling and hand drill. The drilling speed of the Multi-material Drill Bit should be slow, especially in the beginning of drilling. The larger the diameter, the slower the speed requirement..
【High Quality Tungsten Carbide】Multi-masonry drill bits are made of high-quality tungsten carbide. It has a variety of properties such as durabili....

Set of 29 jobber length drill bits includes inch sizes 1/16" through 1/2" in 1/64" increments.
High-speed steel (HSS) provides hardness for wear resistance.
Black oxide finish reduces bit wear while promoting chip and coolant flow on ferrous material.
118-degree conventional point for a range of drilling applications.
Jobber length drill bit has a midrange drilling depth suitable for general-purpose drilling applications.

Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocks.
Excellent for making clean and accurate hole on stone, granite, marble, tile, glass.
Please add water for coolant and drill slowly.
Holes require no ruther work as cutting is clean.
NOT have center pilot drill, 3/8 inch hex shank will fit handheld or upright drillers.

Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocks.
Excellent for making clean and accurate hole on stone, granite, marble, tile, glass.
Please add water for coolant and drill slowly.
Holes require no ruther work as cutting is clean.
NOT have center pilot drill, 5/16 inch hex shank will fit handheld or upright drillers.

Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocks.
Excellent for making clean and accurate hole on stone, granite, marble, tile, glass.
Please add water for coolant and drill slowly.
Holes require no ruther work as cutting is clean.
NOT have center pilot drill, 3/8 inch hex shank will fit handheld or upright drillers.

Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocks.
Excellent for making clean and accurate hole on stone, granite, marble, tile, glass.
Please add water for coolant and drill slowly.
Holes require no ruther work as cutting is clean.
NOT have center pilot drill, 5/16 inch hex shank will fit handheld or upright drillers.

❶HIGH-QUALITY HARD ALLOY: The cutter head is made of cemented carbide. Hardness up to 45HRC, Triangular cutter head resistance is smaller. And it can improve work efficiency, higher hardness than ordinary drill bit, more wear-resistant..
❷EXQUISITE CRAFTSMANSHIP: The surface of the drill bit is treated by fine polishing, and the new electroplating process can prevent the drill bit from rusting and prolong the life of the drill bit..
❸15 PCS DRILL BIT SET WITH 6 DIFFERENT SIZES: 5/32” (4mm), 3/16” (5mm),1/4” (6mm), 5/16” (8mm) ,3/8” (10mm), 1/2” (12mm) fit your different needs..
❹NEW DESIGN: U-shaped drain groove, spiral handle design, easy to remove chips during work, smoother drilling..
❺WIDELY USAGE: It can be used for drilling walls, bricks, ceramic, wood, glass, tiles, stainless steel, concrete, etc. Remember to add Water or coolant when drilling..

❶NEW DESIGN: U-shaped drain groove, spiral handle design, easy to remove chips during work, smoother drilling. 10 pcs drill bit set with 5 different sizes: that is3/16” (5mm),1/4” (6mm), 5/16” (8mm) ,3/8” (10mm), 1/2” (12mm) fit your different needs..
❷EXQUISITE CRAFTSMANSHIP: The surface of the drill bit is treated by fine polishing, and the new electroplating process can prevent the drill bit from rusting and prolong the life of the drill bit..
❸HIGH-QUALITY HARD ALLOY: The cutter head is made of cemented carbide. Hardness up to 45HRC, Triangular cutter head resistance is smaller. And it can improve work efficiency, higher hardness than ordinary drill bit, more wear-resistant..
❹NON-SLIP 1/4 HEX SHANK: 1/4 hex shank which makes the electric drill more tight and not easy to slip Making it safer to use.
❺WIDELY USED: It can be used for drilling walls, bricks, wood, glass, tiles, stainless steel, concrete, etc. Remember to add Water or coolant when drilling..

Set of 29 jobber length drill bits includes inch sizes 1/16" through 1/2" in 1/64" increments.
High-speed steel (HSS) provides hardness for wear resistance.
Black oxide finish reduces bit wear while promoting chip and coolant flow on ferrous material.
118-degree conventional point for a range of drilling applications.
Jobber length drill bit has a midrange drilling depth suitable for general-purpose drilling applications.