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NT ER Tool Holder

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Origin

China Mainland
Minimum Order

5
Packing

Pieces
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Description

Product Detail

NT ER Collet Chuck

Brief introduction
NT ER Milling Collet Chuck, DIN6499 collet clamping tool holder of various sizes , high speed and high precision machining .Mechanical spindle and cutting tools and other accessories.High Precision NT shank Tool Holder ,balanced G6.3 or G2.5 For choose.
NT Tool Holders for mechanical spindle and cutting tool and other accessory tool connection. Is a simple, popular spindle shank connection standard, mainly NT30 NT40 NT50... Etc.. Mold industry, and high-speed engraving machine, used more.

Specifications
Model NO.: ER8, ER11, ER16, ER20, ER25, ER32, ER40, ER50 Export Markets: Global
Additional Info
Packing: Standard
Package Standard: DIN6499B
Product Description
ER8, ER11, ER16, ER20, ER25, ER32, ER40, ER50 Collets
1) Made of high quality spring steel
2) Powerful clamping ability with high precision and stability
3) Used for drilling, boring, milling, tapping, and so on.
4) Adapted for DIN6499B
Material: 65MN
Accuracy: Within 0.015
ER collets are manufactured as per DIN 6499. The accuracies of collets are as per DIN 6499. ER collets are most widely used collets for tool holding in all the types of machine tools & are the most widely used system all over the globe.
These collets are provided with the groove on the collets to engage itself in the collet chuck nut. It is the specialty of ER collets. In ER Collet Chucks, the collet is always fixed in the nut and then the nut is screwed on to the collet chuck.

model	L	L1	D	d1	T
NT30*ER16A-43	111.4	43	31.75	28	M12*1.75
NT30*ER20A-45	113.4	45	31.75	34	M12*1.75
NT30*ER25-55	123.4	55	31.75	42	M12*1.75
NT30*ER32-60	128.4	60	31.75	50	M12*1.75
NT30*ER40-75	143.4	75	31.75	63	M16*2
NT40*ER16A-45	138.4	45	44.45	28	M16*2
NT40*ER20A-45	138.4	45	44.45	34	M16*2
NT40*ER25-55	148.4	55	44.45	42	M16*2
NT40*ER32-60	153.4	60	44.45	50	M16*2
NT40*ER40-70	163.4	70	44.45	63	M16*2
NT40*ER50-80	173.4	80	44.45	78	M16*2
NT50*ER32-7	201.8	75	69.85	50	M24*3
NT50*ER50-80	206.8	80	69.85	63	M24*3
NT50*ER50-80	206.8	80	69.85	78	M24*3