Makita USA - Product Details -B-66313

B-66313

3‑1/8" x 24" SDS‑MAX Tunnel Bit

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B-66313

3‑1/8" x 24" SDS‑MAX Tunnel Bit

APPLICATIONS : For making through-holes in masonry for piping, ventilation and electrical installations
DESIGN : Two flute design for faster clearance of debris
PERFORMANCE : Solid one piece system transfers power directly to the end of the bit
PRODUCTIVITY : Carbide-tipped centering point helps reduce bit walking for more accurate drilling
INCLUDES : 3-1/8" x 24" SDS-MAX Tunnel Bit

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About

Makita’s 3-1/8" x 24" SDS-MAX Tunnel Bit is designed to drill larger holes in masonry for piping, ventilation, and electrical installations. This bit is ideal for drilling holes in concrete, block, and brick where the depth of the hole exceeds the depth of a standard core bit. The B-66313 features a solid tungsten carbide head, a carbide-tipped centering point for more accurate drilling, and a solid one piece system that transfers power directly to the end of the bit. A two flute design provides faster clearance of debris.

Features

Ideal for drilling large holes in masonry where the depth of the hole exceeds the depth of a standard core bit
Solid tungsten carbide head
Two flute design for faster clearance of debris
Solid one piece system transfers power directly to the end of the bit
Asymmetrical tungsten carbide teeth for faster drilling and longer life
Carbide-tipped centering point helps reduce bit walking for more accurate drilling
Larger diameters than standard carbide bits which allow smaller hammers to drill larger holes
For making through-holes in masonry for piping, ventilation and electrical installations
For use in concrete, block and brick
24" overall length; 18" usable length
For use in rotary hammers that accept SDS-MAX bits

Specs

Diameter : 3-1/8"

Usable Length : 18"

Overall Length : 24"

Package Quantity : 1

Shank Type : SDS-MAX

Shelf Pack Qty : 0

Product Type (RHB, DS) : Tunnel Bits

Packaged Depth (in) : 3.15"

Packaged Height (in) : 25.59"

Packaged Width (in) : 3.15"

Shipping Weight : 5.8 lbs.

UPC Code : 088381-539173

Resources & Media

Makita B-66597 New Tool Flyers (English)

Makita B-60551 Feature Box with text_Basic Application Materials - Thumbnail

Makita B-66276 Feature Box with text_SDS-MAX Compatability - Thumbnail

Makita B-66298 Feature Box with text_Productivity - Thumbnail

Makita B-66298 Feature Box with text_SDS-MAX Tunnel Action Shot - Thumbnail

Makita B-66298 Feature Box with text_SDS-MAX Tunnel Beauty Shot - Thumbnail

Makita B-66298 Feature Box with text_SDS-MAX Tunnel Family - Thumbnail

Makita B-66298 Feature Box with text_SDS-MAX Tunnel Value Proposition - Thumbnail

Makita B-66298 Feature Box with text_SDS-MAX Tunnel Walk-Around - Thumbnail

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B-66307 2-1/2" x 24" SDS-MAX Tunnel Bit

B-66298 2-1/8" x 24" SDS-MAX Tunnel Bit

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