18 piece ER32 MT4 Precision Spring Collet Set Testite Mechanical Wing Nut Pipe Plug 100 mm expanding bung RWN4 5–8% cobalt alloy (M35 quality)

5–8% cobalt alloy (M35 quality) for superior strength and performance in hard metals

Stainless steel

with strong smooth action pulling force

3/16 x 1/4 x 1/32 – 100 PCS

and clean cutting performance

18 piece ER32 MT4 Precision Spring Collet Set Testite Mechanical Wing Nut Pipe Plug 100 mm expanding bung RWN4 5–8% cobalt alloy (M35 quality)ER32 MT4 Collet Set This listing includes the complete collet with chuck assembly. Hardened and precision ground. New 18 piece set of metric ER32 Collets sizes 3mm 20mm. Used with any standard ER collet chucks with or without coolant thru tool applicationsMade of high grade spring steel, sturdy and durableSpecial angled slots to increase rigidity Specifications : *Quantity: 18 pcs Set *Accuracy: 0. 015mm *Includes the following : 3, 4, 5, 6, 7, 8, 9,