Steel Broaches cut 36 keyway combinations.
May 1, 2002 - Steel broaches, guide bushings, and necessary shims for cutting 1/8, 3/16, 1/4, and 3/8 in. keyways are available in 36 keyway combinations. In addition to its 4 broaches, Minute Man 10-10A Combination Set includes 18 bushings with diameters increasing in 1/16 in. increments from 1/2 to 1-9/16 in. Push-type broaches can be used with hydraulic presses, and require no special skill or set-up time.
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Original Press release
Du Mont Co., LLC., The
289 Wells St., P.O. Box 469
Greenfield, MA, 01302 USA

Keyway Broach Set Cuts 36 Keyway Combinations
Greenfield, MA. The duMont Corporation is now offering a complete set of high speed steel broaches, guide bushings and necessary shims for cutting 1/8", 3/16", 1/4" and 3/8" keyways in 36 keyway combinations. In addition to its 4 broaches, the No. 10-10A Combination Set includes 18 bushings with diameters increasing in 1/16" increments from 1/2" to 1 9/16". The Minute Man No. 10-10A Set will handle an unusually wide range of keyway cutting in machine maintenance or parts production work.
The complete broach set is furnished in a varnished hardwood box and is available off-the-shelf through local industrial distributors. The broaches supplied are high speed steel, push-type broaches and can be used with any hydraulic press with adequate throat depth. Requires no special skill or set-up time.
Other keyway broach sets, also available from stock, contain smaller or larger broaches and bushings and extend the range of keyway sizes that can be cut from 1/16" to 3/4" keyways in bores from 1/4" to 3" bore diameter. Individual keyway broaches and bushings are also available, as are broaches for cutting square holes.
A new price sheet and catalog listing all available sizes is available from the duMont Company, PO Box 46 S9 Greenfield, MA 01301
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