KHS Key Bits

Contact Details

Tungaloy-NTK America, Inc.
Address
3726 N. Ventura Dr.
Arlington Heights
60004
IL
United States
Phone
630-227-3700
Toll Free Phone
888-554-8394
Fax
888-554-8392
November 08, 2023
Dedicated Key Bits Optimize Fatigue Life Prediction of DrillMeister Drill Bodies

Tungaloy has increased its size options of KHS key bits that are developed for easy management of DrillMeister drill body service life.

DrillMeister exchangeable-head drill system combines the precision of solid carbide drills with the flexibility of modular tooling. For users to reap the maximum benefits of this innovation, accurate management of the drill body service life is vital. Conducting release torque tests for the drill bodies is an effective way to predict the fatigue life while eliminating the risk of loose connections and losing the drill heads in the machines. The KHS key bits enable easy measuring of the drill head release torque: the bits can simply be attached to commercial torque screwdrivers equipped either with manual adjustable preset torques or with a digital display, which allow accurate torque measurements.

Two new key sizes have been added: KHS-TID6-9.99 covers the drill diameter range from 6.0 to 9.9 mm (.236″ to .340″), while KHS-TID20-25.99 from 20.0 to 25.9 mm (.787″ to 1.020″). In addition to the key size that already exists for 10.0 to 19.9 mm (.394″ to .783″), these three key sizes cover the diameter range from 6.0 mm to 25.9 mm of the DrillMeister drill heads.

Related Glossary Terms

  • fatigue

    fatigue

    Phenomenon leading to fracture under repeated or fluctuating stresses having a maximum value less than the tensile strength of the material. Fatigue fractures are progressive, beginning as minute cracks that grow under the action of the fluctuating stress.

  • fatigue life

    fatigue life

    Number of cycles of stress that can be sustained prior to failure under a stated test condition.

  • modular tooling

    modular tooling

    1. Tooling system comprised of standardized tools and toolholders. 2. Devices that allow rapid mounting and replacement of tools. Commonly used with carousel toolchangers and other computerized machining operations. See toolchanger; toolholder.

Additional Products from Tungaloy-NTK America, Inc.

Designed to ensure low cutting force, the TCL18-style chipbreaker is the latest addition to Tungaloy’s TetraMini-Cut line of grooving inserts offering four cutting edges. TetraMini-Cut features a compact grooving insert with economical four cutting edges.

Tungaloy is expanding its DoFeed line of high-feed milling cutters to include AH3225 grade inserts. DoFeed is a high-feed milling cutter series with a close-pitched insert alignment, addressing various application needs where an efficient removal of large stock is required.

Tungaloy is introducing the M714B T-CBN grade for finish machining of heat-resistant superalloys. M714B contains submicron-sized fine CBN grains and alumina as a binder providing the grade with high thermal stability.

Tungaloy is expanding its DeepTri-Drill line of indexable gundrills to cover diameters ranging from 37.0 mm to 40.0 mm.

Tungaloy is expanding its TungTurn-Jet series of high-pressure coolant capable turning holders by adding a coolant-through feature and Double-Clamp technology for rigid insert holding and high productivity.

Tungaloy is expanding its AH9130 drill head grade series to include the DMP drill head line of the DrillMeister head-changeable drill series.

Tungaloy is introducing TZ120 grade ceramic inserts designed for turning cast iron at high cutting speeds.

Tungaloy has expanded its Tung-AluMill line of indexable shoulder milling cutters to include an insert with a 2.5 mm (0.1") nose radii.

Tungaloy’s DrillMeister exchangeable-head drill line now includes new TID-type drills in cylindrical shanks that accommodate drill head diameters ranging from 10.0 mm to 19.9 mm (0.398" to 0.783").

Tungaloy’s DeepTri-Drill line of indexable deep-hole drills now includes FH3135-grade guide pads.

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