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Powder-coated flexible drill bit, 72 inches long, 3/8 inch diameter

Eagle Tool Us

Eagle Tool Us EHS37572 Flexible Drill Bit 3/8in 72in pneumatic accessory

SKU CH-V4M3-Q2P7G

A 72-inch flexible drill bit with a 3/8-inch screw-point tip drills up to 70 inches deep for cable installation

  • 3/8 in diameter drills standard cable holes
  • 72 in overall length reaches through walls and ceilings
  • 70 in maximum drilling depth handles deep runs
  • 3/16 in hex shank fits common drill chucks
  • Powder coated finish resists corrosion during use

Flexible Drill Bit 72 in

The Eagle Tool US EHS37572 is a 72 in flexible drill bit designed for cable installation through walls and ceilings. Its 3/8 in screw-point tip pulls the bit forward while the three-flat shank prevents slipping in the chuck. Electricians and low-voltage installers use it to reach long runs without removing large sections of drywall.

Shank Fit and Drilling Depth

Verify that your drill chuck accepts a 3/16 in hex shank with three flats before ordering. The bit provides a maximum drilling depth of 70 in, so confirm the cavity or conduit length you need to traverse does not exceed that reach. Powder-coated finish resists corrosion during extended jobsite exposure.

Sustained Drilling Behaviour

During long pulls the flexible shaft can accumulate torsional wind-up, which may cause the bit to bind or wander if feed pressure is not moderated. The screw point continues to self-feed, but heat buildup in the shaft increases with continuous operation, so periodic withdrawal to clear chips helps maintain straight tracking.

How it compares

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

Price $31.99
Typical for this category: the median of 5,493 items is $27.99.

Specifications

Product
Brand nameEAGLE TOOL US

Questions about this item

Does the 72 in flexible drill bit come with any accessories or must the drill be purchased separately?

The bit is supplied alone; a compatible drill with a 3/16 in hex chuck is required and not included.

How do I decide between the 3/8 in diameter and the 70 in maximum drilling depth for my cable runs?

The 3/8 in diameter sets the hole size while the 70 in depth limit defines the longest single pull you can make.

What does the 72 in overall length mean when the bit is chucked into a drill?

About 2 in of the shank sits inside the chuck, leaving roughly 70 in of flexible shaft exposed for drilling.

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