Reviews Extra Long Drill Bits For Deep Holes

DEWALT SDS+ Hammer Bit Rock Carbide 1-1/8-Inch x 8-Inch x 10-Inch DW5468

Strong core: SDS max bits have tapered core for bit strength and maximum durability, especially when drilling deep holes.
Aggressive material removal: Two stage flute design with variable helix pattern of DEWALT SDS hammer drill bits allows for efficient debris removal.
Clean, round holes: Two sharp cutting edges for true holes.
Wear mark indicator: For accurate diameter of holes.

[Extra-Heavy Duty+ for Stainless Steel] The M35 Cobalt Drill Bits is Industrial Grade and can drill 8X longer life and 3X faster. This Cobalt Drill bits can help you cut more holes, extra-heavy duty+ for Stainless Steel, Hard steel, Mild Metal, Galvanized Steel, Aluminum,Iron, Wood Plate,PVC and Copper. If you're expanding a lot of holes in metal sheet then please choose this step drill bit.
[M35 Cobalt Steel] This M35 Cobalt Drill bit can successfully drill more than 35 holes easily into 1/5" thick Stainless Steel plate like knife through butter!.
[12 Steps ︱2-Spiral-Flute] 12 Steps: from 3/16", 1/4", 5/16", 3/8", 7/16",1/2", 9/16", 5/8", 11/16", 3/4" 13/16" to 7/8". 2-Spiral-Flute:Clears Chips faster.
[Cutting Fluid] Cutting Fluid must be poured during work for longer life! Prohibit water-cooling to prevent rust!.
[3/8" Tri-Flatted Shank] Fits into power tools chuck securely and eliminates slip.

High-Quality 1/4” Concrete Drill Bits: Made of Premium carbide YG6 alloy with anti-rust treatment.
head reinforced reducing bit cracking effectively, ensuring a longer drilling life.
Accurate Masonry Drill Bits: The tip of the bit is precision unique cross spear design.
accurately ground edges reduce bit walking.
superior tile cutter can run through ceramic tile in a neat and fast manner.
1/4” Hex Shank Tile Drill Bits: fits into all power tools more easily and securely.
popular electric hand drill, bench drill with quick change chuck.
Durable & Sharp: Masonry Drill Bit Set for Glass, Ceramic, Tile, Mirror, Plant Pots, Wood, Porcelain, Brick Wall etc. Please keep bits cool use running water if possible as coolant.
Worry Free: 10 pieces of fine grade high durable 1/4” (6mm) drill bits to meet needs for multi holes in variety projects.
with extra bits at hand, don’t worry about running out of bits in the middle of a project.

Drill Jig For Straight Holes: Get perfectly, consistently spaced, and centered shelf-pin holes with our shelf pin jig drill guide set! This shelf jigs....
Includes Two Storage Compartments: The re-designed drill jig handle includes two storage compartments for self-centering bits! Additional....
Using Multi-Position Drilling Template: Our cabinet handle jig determine the setback required for your project: 2-1/2'' (64mm) or 1-7/16'' (37mm).....
Self-Centering Drill Bits: Self centering drill bits are pre-set to bore a consistent depth for perfect fitting shelf pins and sleeves every time. No....
What’s Included In This Portable Drill Guide: This drill guide for straight holes kit includes (1) JIG IT Cabinet Door Handle Jig, (1)....

Extreme Durabikity: Cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come..
Different Sizes of Holes Can Be Drilled: Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs..
Smooth Drilling: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits)..
Use Center Punch to Mark the Spot: Please mark the spot that you are to drill for easier drilling and improved drill bits life..
Keep Your Step Drill Bits Well Organized: All the bits come in a well-organized case for easy transport and storage..

FINE PORTABLE CASE: The 6pcs diamond drill bits come with a compact aluminum box where the bits are not in use. You don't have to worry about the missing of any of them.
STURDY AND DURABLE MATERIALS: The cutting edege of the diamond hole saw is made from a premium grade of diamond that delivers more effective performance than traditional carbide, or bi metal hole saw, can drill deep holes stably.
M14 FEMALE THREAD: M14 screw design, the shank prevents slipping, has large torsion, high bearing capacity, and is very easy to drill.
WIDE APPLICATION: The hole saw ensures a clean and accurate hole on hardest and abrasive materials like tile, granite, marble, glass, and other stone.
HIGH PERFORMANCE: Thickened emery coating, uniform coating, improve wear resistance and life of hole opener, open hole is neat, smooth, no broken edges, no need to add water, incisive, can drill deep holes stably.

Material: Auger drill bit made of High Carbon Steel, hardened and tempered for longer useful life. And lighter weight carbon steel construction than standard augers for safety.
Excellent craftsmanship: Designed for 4precision ground cutting edges and 4 flutes engineered to optimize performance, easy for chip removing. With self feeding auger point, easy cutting of accurate diameter holes. Attention: Please make sure these auger drill bits worked on wood, and fixed the drill bits firmly when the electric drill start working to avoid broke the drill bits. Due to these auger drill bits come with a long handle, you need press the electric drill hardly to avoid wobbling.
8 different size: 9/23"(10mm), 9/19"(12mm), 5/9"(14mm), 7/11"(16mm), 5/7"(18mm), 11/14"(20mm), 13/15"(22mm), 63/64"(25mm), different size for your needs..
Available application: Woodworking drill bits ideal for making neat and clean holes into both hard wood and soft wood, plastic, etc. Come with grooved hex shank, can be used in hand drills electric drills..
Service warranty: We promised provide good quality products and service. If there is any problem, please just contact us freely, and we can provide you a new replacement or refund..

Strong core: SDS max bits have tapered core for bit strength and maximum durability, especially when drilling deep holes.
Aggressive material removal: Two stage flute design with variable helix pattern of DEWALT SDS hammer drill bits allows for efficient debris removal.
Clean, round holes: Two sharp cutting edges for true holes.
Wear mark indicator: For accurate diameter of holes.
Elongated four flute helix for faster material removal.

Strong core: SDS max bits have tapered core for bit strength and maximum durability, especially when drilling deep holes.
Aggressive material removal: Two stage flute design with variable helix pattern of DEWALT SDS hammer drill bits allows for efficient debris removal.
Clean, round holes: Two sharp cutting edges for true holes.
Wear mark indicator: For accurate diameter of holes.
Elongated four flute helix for faster material removal.