CAT 40 Coolant Thru Retention KnobsRetention knobs, also known as pull studs, allows you to mount a tool holder to the machine spindle. Using a low quality retention knob can lead to poor tool life and run out, which is all of our retention knobs have threads that are rolled for strength and durability. We have standard style knobs for most machines in stock, as well as coolant thru and many special designs available and able to be shipped out same day. We are also able to manufacture

These shell mill holders are produced to the AT3 standard

Our standard-length end mill holders feature a knurled shank for easy handling

Our carbide insert chamfer tools are capable of chamfering a small hole down to

These are available for purchase separately

50 standards and precision ground to meet AT-3 tolerance

Produced from mill certified

They are designed with a square drive in the collet

00" you are sure to find the high performance shell mill holder you need

Our ER25 rigid tap collets are for use with tap sizes ranging from #0 to ⁵⁄₈”

6250 inches or in metric sizes from 2mm up to 16mm

With a black-oxide finish these v-flange blanks are resistant to corrosion and fretting

are available for immediate shipment