Reviews Self Feed Bits - BestBuyersPro.com

IRWIN SPEEDBOR Tri Flute Wood Drill Bit 1/2' X 6'(3041001)

IRWIN SPEEDBOR drill bits use a tri-flute design for faster chip ejection and less binding.
This 1/2-inch drill bit has cutting spurs with 3 cutting edges for faster, cleaner holes.
A full screw tip allows the drill bit to self-feed for ease of drilling.
The grooved hex shank helps prevent slipping in the drill chuck or bit extension.
Fits virtually any standard 1/4-inch quick-change chucks, including impact drills.
A fast speedbor spade bit that features a Tri-Flute design with a fast chip ejection.
Fits all standard 1/4-inch quick change chucks.
Full screw tip allows the bit to self feed.

Adds 12 inches to SPEEDBOR Max Self-Feed wood drilling bits..
Forged in one piece from high carbon steel for maximum strength under tough drilling conditions..
Precision-milled shank eliminates run-out and wobble..
Drill bits have 3 cutting edges that are hardened for durability and long life in tough materials.
Drill bits feature replaceable screw-point tips that pull the drill bit fast for clean, true holes.
7/16-inch hex impact shank reduces slipping in standard chucks.
IRWIN drill bit extension is compatible with most 7/16-inch impact drills.

x2 LXT technology delivers more power, speed and run time without the hassles of a cord (batteries not included).
Drills up to 6-1/4" holes with hole saws and 4-5/8" holes with self feed bits.
Drills up to 160 2-9/16" holes per charge in 2x spf using two 5.0Ah batteries and self feed bit (batteries and bit not included).
Makita BL Brushless motor combined with x2 LXT technology delivers no-load drilling speeds of 0-350 RPM and 0-1, 400 RPM for maximum efficiency.
Automatic speed change technology adjusts drill speed and torque during drilling for optimum performance.

Fits all standard 1/4-Inch quick change chucks.
Wood drill bit set features bits with a tri-flute design for faster chip ejection.
Cutting spurs have 3 cutting edges for added durability.
Grooved hex shank prevents slipping in drill chuck or bit extension.

Innovative welded cutting edge for extreme life in tough materials, including nail-embedded wood.
Replaceable screw-point tip is larger and more durable and pulls bit fast for clean, true holes versus previous IRWIN self-feed bits.
7/16" hex quick-change shank reduces slipping in standard chucks and is compatible with all 7/16" impact drills.

Innovative welded cutting edge for extreme life in tough materials, including nail-embedded wood.
Replaceable screw-point tip is larger and more durable and pulls bit fast for clean, true holes versus previous IRWIN self-feed bits.
7/16" hex quick-change shank reduces slipping in standard chucks and is compatible with all 7/16" impact drills.

Adjustable Hole Saw Cutter: This kit includes 1x adjustable hole saw with two replaceable pilot drill bits (1 x auger type self-feed pilot bit +1x HSS pilot bit), 2x high speed cutting blades,1x ABS dust shield, 1x adjustment hex wrench, 5x brad-point wood drill bits and 5x Masonry drill bits, 1x carpenter pencil, 1x 3m tape measure and 1x durable storage case..
Size Adjustable: Twin blade hole cutter for cutting 1-5/8" to 8" (40 - 200mm) holes to 8" (40 - 200mm) holes with depth up to 3/4"(19mm) from one side, 1-1/8"(30mm) from two sides..
Application: It can be used to cut plywood, sheetrock, veneer, cement board, slate, ceiling tiles, etc. A practical tool set for carpenters, home decorators, contractors, professionals and DIY home owners..
Easy To Carry: The hole saw cutter comes with a sturdy carry case for easy storage and organize. Easy and convenient to carry. Improve work efficiency..

Professional Cutting - Hole saw cuts smooth and even 8" diameter holes through wood, drywall, plaster and plastic.
Cutting depth up to 3/4"(19mm) from one side, 1-1/8"(30mm) from two sides..
Safe & Clean - Ball bearing mounted ABS dust shield with soft silicon rubber gasket to trap the dust and shavings to prevent them from going airborne and making mess in your furnished home. It is also safe to use as protection equipment for hole cutting application..
Easy to Use - Includes everything you need to do-it-yourself, mandrel and drill bit work with any 3/8" drills & up..
Complete Set - This kit includes one professional grade adjustable hole cutter with two replaceable pilot drill bits (1x auger type Self-Feed pilot bit + 1x HSS pilot bit), two sets of replaceable cutting blades (1 set of high speed steel blades + 1 set of tungsten carbide blades), one ABS dust shield, one adjustment hex wrench, 5 Pcs brad-point wood drill bits and 5 Pcs Masonry drill bits 5/32.

Innovative welded cutting edge for extreme life in tough materials, including nail-embedded wood.
Replaceable screw-point tip is larger and more durable and pulls bit fast for clean, true holes versus previous IRWIN self-feed bits.
7/16" hex quick-change shank reduces slipping in standard chucks and is compatible with all 7/16" impact drills.
Package dimension : 3.25" L x 2.188" W x 4.0" H.