Made of high-grade tool steel. Precision ground and heat-treated for maximum concentricity and holding power.
Center holes are ground and lapped. A range from 1/2" thru 2" by 1/1000" can be covered by a total of 8 mandrels.
The automatic expansion feature can be utilized on any bore (standard or non-standard) within the range of the mandrel.
Sizes up to 1" capacity are furnished with 1 sleeve: larger sizes are furnished with 2 sleeves (1 large and 1 small).
Arbors are tapered, sleeves are flexible and size is obtained by moving sleeves along the arbor.
High-grade tool steel construction ensures durability and longevity; precision ground and heat-treated for superior concentricity and holding power.
Features automatic expansion to accommodate any bore within the 1/2" to 2" range, enhancing versatility for standard and non-standard sizes.
Set includes 8 mandrels covering sizes from 1/2" to 2" by 0.0001" increments, with 1 or 2 sleeves provided depending on the size, for precise adjustments.
Each arbor's center holes are meticulously ground and lapped for precise centering, with arbors and sleeves designed for easy size adjustment.
Complete set packed in a fitted wooden box for secure storage and transport; arbors range from 5" to 11-1/2" in length, with sleeves 2-1/2" to 5".