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1,High accuracy 0.008mm ,0.005mm, 2,Hardness:HRC46-50, 3.Special material steel:SUJ2, 4.Grinding fluid, 5.Metic and inch - details see: https://www.machineto.com/er-collet-standard-din6499-10145172

Specifications

1,High accuracy 0.008mm ,0.005mm

2,Hardness:HRC46-50

3.Special material steel:SUJ2

4.Grinding fluid

5.Metic and inch size

ER8 and ER40 collets DIN6499B inch size for nuts pull stud and spanner

Quick Details

ER collet have inch size and metric size, precision is 0.005mm and 0.008mm .collet processing cryogenic treatment and thermal aging processing ,collet groove use grinding process ,suitable for high speed machining,inner hole grinding for many times,so as to reach Ra0.4,has a mirror effect ,surface is coating improve the hardness and endurance of the surface, cleaness better ,accuracy stable ,surface more smooth.

Description:

Chongde made BT tool holder about 9year experience ,we had precision projector to keep sure the taper are accuracy match BT taper and also we did 100% QC work for each holder .We have series BT toolholder such as BT30,BT40 ,BT50 and SK40 DIN69871 ;DAT too , Our precision reach from 0.002 to 0.01mm .By the future balance has G2.5(30,000rpm) and also has without future balance available .

Pls other cnc tool holder CAT, ISO / NT, Straight shank , Morse and so on will be provided for you professionally. Any interest, please contact me freely .

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