Name: #4 -111mm Machine Screw Solid Counterbore
Brand: Qualtech
SKU: DEWCBRSOL4
Price: 7.99 USD
Availability: InStock

$7.99

Size: #4
Material: High Speed Steel
Finish: Uncoated (Bright)
Overall Length: 2-5/8
Shank Type: Round
Brand: Qualtech

19 in stock

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Counterboring is the enlargement of a portion of a hole that has previously been formed
If the counterbored portion is shallow (1/8″ or less), the operations is usually known as spot-facing; for example, a flat seat for a bolt head or nut
If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring
These counterbores are made of two-piece construction, having an integral shank and counterbore-cutter, and a pilot that is interchangable, which provides flexibility in the use of the tool.

Weight	1 lbs
Dimensions	7 × 2 × 3 in

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#4 -111mm Machine Screw Solid Counterbore