1/2" Precision 8 micron ER20 Spring Collet

Description

Short Description
1. Hole diameter: 1/2", overall length is 1-7/32" (31mm)
2. Material: high-grade 65Mn
3. Clamping range: 15/32" - 1/2" （0.461" - 0.500"）
4. Total runout less than .00031 on these precise ER20 collets
Description
The following schematic diagrams and product pictures are only for reference.
If you have any questions, please contact us.
Runout tolerance within
8 micron (0.00031")
at 4×d position
Designed for use with cylindrical shank tools, not flats
The full length of the cutting tool should be placed in the collet
Made from
65Mn
Alloy spring steel ,
vacuum annealing
and
hardened to HRC 42-45
Each collet gone through
thermal aging process
to eliminante grinding residual stress and long
cryogenic treatment
to improce wear resistance
This ER20 collet has a range of 15/32" - 1/2" （0.461" - 0.500"）
Works in all ER20 collet chucks
Installation
Instruction
1. Put the collet into the nut and gently rotate the nut, then the eccentric part of the nut is in the grooves, and the package is pushed evenly
along the arrow, and it can be loaded into the nut
2. Install the collet and the nut on the shank or machine tool shaft together, wipe the tool cylinder handle into the clamping hole, and tighten
the nut evenly with the wrench, until the tool clamp can be used (Note: install tools before fasten the nut so as not to damage the collet)
3. When changing the tools, release the nut and collet with the wrench, unload the tools, push the collet along the arrow direction, make it
quit, and then change the other collet you needed
Technical Details
Brand Name
Bodee
SKU
BB0102016A
Collet Series
ER20
Size
(d)
1/2"
Clamping Range
15/32" - 1/2"
0.461" - 0.500"
Diameter
（
D
）
13/16" (21mm)
Overall Length (L)
1-7/32" (31mm)
Runout
0.00031"
Shape
Round
Material Type
Alloy Steel
Net Weight
0.066 lbs.
Gross Weight
0.077 lbs.
Meas
1.45
×
1
×
1 in.
Additional Information