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Silver metal drill extension cable 36 inches long with three flat sides and hex shank

Eagle Tool Us

Eagle Tool Us EX18736 Drill Extension Cable 3/16in 36in pneumatic accessory

SKU CH-RC5A-Q6TMD

Drill bit extension adds 36 in reach with a 3/16 in hex shank and three-flat grip

  • 36-inch reach extends drilling depth
  • 3/16-inch hex shank fits standard chucks
  • Straight three-flat design prevents bit slippage
  • Eagle Tool US build handles pneumatic torque
  • New condition ensures full factory performance

Drill Extension Cable 3/16in 36in

The Eagle Tool US EX18736 extends the reach of hex-shank drill bits by 36 inches. It suits technicians who need to drive fasteners in deep cavities or behind obstacles where a standard drill cannot fit. The straight shank features three machined flats that lock securely into a drill chuck. No other shank styles are supported.

Thermals noise and power draw

This accessory has no motor, electronics or moving parts of its own. It transmits torque from the drill to the bit without generating measurable heat or audible noise. Power consumption depends entirely on the drill and the material being drilled. The steel shaft does not alter the tool’s thermal profile.

What the three flats change

The three-flat shank prevents the extension from spinning inside the chuck under high torque. This eliminates the need to overtighten the chuck jaws and reduces the chance of the bit slipping during heavy drilling. The flats do not affect compatibility with keyless or keyed chucks that accept round shanks. No software or additional hardware is included.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 62% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameEAGLE TOOL US

Questions about this item

How do I install the 36 in drill extension with its straight three-flat shank and what step do people get wrong?

Insert the 3/16 in hex shank fully into the chuck and tighten each jaw evenly on the three flats so the extension runs true; the common error is tightening on the corners instead of the flats, which causes wobble.

What maintenance or replacement will the EX18736 need after extended use?

Inspect the cable for kinks or fraying and check the three flats for rounding; replace the extension if the shank no longer grips securely or the cable shows fatigue cracks.

What limit appears first when the 36 in extension is used continuously at high speed?

The 36 in length amplifies run-out, so whipping vibration becomes the limiting factor before the cable material itself overheats, especially with larger bits.

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