Kennametal 1785288 Replaceable-tip Drill Weldon Flat Shank

Product Description

The KENNAMETAL 1785288 is a replaceable-tip drill body from the KSEM series, designed for precision hole-making in metal cutting applications. The body accepts KSEM0547 insert tips at insert seat size B and delivers a 5xD depth-to-diameter ratio, supporting maximum drill depths up to 69.45 mm. A Weldon flat shank with a 19.05 mm diameter provides positive drive in compatible tool holders, while internal through-coolant passages keep the cutting zone clear and extend insert life during deep-hole drilling. Licensed machinists and CNC operators typically specify this body for high-volume production work where quick insert indexing reduces downtime.

The 1785288 is suited for drilling diameters ranging from 13.89 mm to 14.39 mm, depending on the paired insert. The 5xD ratio places it in the intermediate-depth category, capable of reaching 69.45 mm with an overall body length of 155.58 mm. This makes it a practical choice for machining centers running steel, cast iron, and similar ferrous workpiece materials where through-coolant delivery is available. The Weldon flat shank is a common interface in CNC vertical and horizontal machining centers and compatible milling machines.

Key Features

• Accepts KSEM0547 replaceable insert tips at insert seat size B for fast changeover without removing the body from the spindle
• 5xD drill depth ratio supports maximum drill depth of 69.45 mm
• Through-coolant delivery via 1/8-27 NPT coolant ports at both the body side and shank end
• 19.05 mm Weldon flat shank provides secure, positive-drive retention in standard toolholders
• Overall length of 155.58 mm with a flute length of 82.04 mm for reach into workpiece features
• KSEM series platform allows a single body to pair with multiple insert geometries and coatings

Compatibility

Designed for use with KSEM0547 series replaceable drill tip inserts at insert seat size B. Part of the KENNAMETAL KSEM series platform. Shank interface is Weldon flat at 19.05 mm diameter, compatible with standard Weldon flat toolholders used on CNC machining centers.

Installation Notes

Installation should be performed by a qualified machinist or CNC tooling technician with the spindle fully stopped and the machine in a locked-out, de-energized state. Verify that the toolholder Weldon flat setscrew engages the flat on the shank securely before running the spindle. Confirm coolant port connections at the 1/8-27 NPT threads are leak-free before initiating through-coolant flow. Insert tips must be seated fully and torqued with the appropriate KENNAMETAL torx key per the insert seating procedure before use.