8 Ps/set Precision Expanding Mandrel Set, 6978-0918


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$528.00

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Description

8 Ps/set Precision Expanding Mandrel Set, 6978-0918

Not like traditional mandrels with fixed sizes, expanding mandrels are flexible and adjustable. With the tapered shafts and the elastic sleeves, one mandrel with a sleeve can hold a range of sizes. Thus, you don't need a great many of the mandrels with fixed dimensions. This precision and adjustable expanding mandrel set can support inside diameters ranging from 1/2" to 2". Accusize 6987-0918 Precision Expanding Mandrels are made of high-grade tool steel, which gives the toolset relatively much longer tool life.
The precision expanding mandrels are much more economically than traditional arbors.

Features:

  • Made of high-grade tool steel.
  • Precision ground and heat-treated for maximum concentricity and holding power.
  • Center holes are ground and lapped.
  • 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.
  • A range from 1/2" thru 2" by 0.0001" can be covered by a total of 8 mandrels.
    Packed in a fitted wooden box.

Size Range Length of Arbor Length of Sleeve Sleeves Furnished
(D) (L) (H)  
1/2" - 9/16" 5" 2-1/2" 1
9/16" - 21/32" 6" 2-3/4" 1
21/32" - 3/4" 7" 2-3/4" 1
3/4" - 7/8" 7" 3-1/4" 1
7/8" - 1" 7" 3-1/4" 1
1"- 1-1/4" 9" 4" 2
1-1/4" - 1-1/2" 9" 4" 2
1-1/2" - 2" 11-1/2" 5" 2

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