Archive | Annular Cutter Bits

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nitto wa 3500 load detection

Nitto Kohki Auto Mag Drills

Nitto Atra Ace portable magnetic base automatic drilling machine: We love to work with Nitto Kohki with their line of automated magnetic drills. Advanced Technology Reducing Hole Drilling Cost. Some of the features of the Atra Ace auto magnetic drilling machines are: • Overload stop detection system helps prevent motor and cutter damage • Load […]

hougen sharpening servie

Recently install our third annular cutter sharpening machine

With the high demand for our sharpening service for the annular cutter bits we decided to add the Hougen 10950 magnetic drill cutter sharpener. The Model 10950 has been specifically designed for resharpening Rotabroach “12,000-Series” and Rotaloc Cutters. Provides ease of operation while restoring original factory specified tooth geometry. This machine is great for the […]

how does the pilot pin work

how does the pilot pin work on annular cutters

Annular cutter pilot pins: How they work… Center hole for pilot pin accurately aligns the cutter, allows for internal lubrication and removes the slug. The pilot pin allows you to accurately position the cutter. During drilling, the pilot pin retracts and allows internal coolant to reach the cutting teeth. When the hole is complete, the […]

metal drill speed settings

Metal Drill Feeds and Speeds

Metal Drill Feeds and Speeds – Different drilling conditions make it impossible to develop any rigid rules for feeds and speeds when drill metal materials The following tables contain guidelines that can be utilized when drilling standard metal materials. Also, the following “rules of thumb” can be used to determine proper feeds and speeds for […]