Item Number: 8-300-3040

ER40 Collet Chuck NMTB-30 3.50in with Round Nut, EQC, TMX by Toolmex MADE IN EUROPE
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Shank Size 30
Collet Size D ER40
Shank Type NMTB and NST
L in 3.50
D in 2.48
Internal Thread (Taper) mm(in) 25(.985)