Round Push Broaches

duMONT Minute ManĀ® Round Broaches are designed to generate in one-pass a precision Round hole in a previously cast, drilled or reamed round hole. These Internal Hole Broaches are ideal for precise tolerances, sizing, and finish for those applications demanding precision and finish. Broaches are furnished with variable pitch teeth and available in American Standard as well as coated. A burnishing section can be furnished.

Specials: We are fully equipped to manufacture Special Round Broaches to your specifications. All standard items are available with TiN, or TiAlN coatings.

View our Catalog for more information on our Standard Metric Square Broaches or Request a Quote today!

 

round-broaches

EDP
No.
Nominal
Diameter
Tolerances
(Dec. Equiv.)
Broach
Length
Pilot
Diameter**
Drill
Size
Dimension
Across
Corners
Tooth
Pitch
Length of Cut*min.-max. Pressure Req'd for Max LOC*(lbs.)
777301/4 .2505-.2510 5 7/8 .2344 15/64 1/8 - 5/32 5/16-3/4 840
777315/16 .3130-.3135 5 7/8 .2469 19/64 1/8 - 5/32 5/16-3/4 1050
777323/8 .3755-.3760 6 7/8 .3594 23/64 5/32 - 3/16 3/8-1 1440
777337/16 .4380-.4385 6 7/8 .4219 27/64 5/32 - 3/16 3/8-1 1680
777341/2 .5005-.5010 8 .4844 31/64 3/16 - 7/32 1/2-1 1/4 2240
777365/8 .6255-.6260 8 1/2 .6094 39/64 3/16 - 7/32 1/2-1 1/4 2500
777383/4 .7505-.7510 9 1/8 .7344 47/64 7/32 - 1/4 5/8-1 1/2 3720
777407/8 .8755-.8765 9 1/4 .8594 55/64 7/32 - 1/4 5/8-1 1/2 4340
777421 1.0005-1.0015 10 1/4 .9844 63/64 1/4 - 9/32 5/8-1 3/4 4970

*based on mild steel
**tolerances-basic minus .0005-.001 inches