National Item Identification Number
00-248-9904
002489904
3460-00-248-9904
3460002489904
National Stock Number
Item Name
HOLDER,COUNTERBORE
Federal Supply Class
3460
Description
A cylindrical body having a straight or tapered shank which holds the cutter in place by driving lugs or two splines 180 degrees (3.1 radians) apart. It is used extensively on screw machines and boring mills. Excludes HOLDER, COUNTERSINK.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
H404
Required Categories
DESIGN TYPE
SHANK TYPE
SHANK SIZE
CUTTER DIAMETER RANGE
CUTTER DRIVE TYPE FO
Required Description
SOLID
TAPERED
NO. 4 MORSE TAPER
1.750 TO 3.000 INCHES
STRAIGHT
65719
H404