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Otto Frei carries the Spearhead brand of High Speed Steel (HSS) burs which are hand cut by expert craftsmen in the USA. You can always recognize the Spearhead brand of HSS burs by the size stamped on the 3/32" shanks. While more expensive than imported Tungsten Vanadium Carbon Steel Burs, these HSS burs will stay sharp and give a longer service life than the not as hard machine cut Tungsten Vanadium burs. HSS burs are preferred by quality jewelers everywhere.

Choose from 23 sizes:

Part No.	Metric Size	Bur No.
119.522	1.10 mm	2
119.523	1.30 mm	3
119.524	1.50 mm	4
119.525	1.70 mm	5
119.526	1.90 mm	6
119.527	2.10 mm	7
119.528	2.30 mm	8
119.529	2.50 mm	9
119.530	2.70 mm	10
119.531	2.90 mm	11
119.532	3.10 mm	12
119.533	3.30 mm	13
119.534	3.50 mm	14
119.536	4.00 mm	16
119.538	4.50 mm	18
119.540	5.00 mm	20
119.542	5.20 mm	22
119.544	5.60 mm	24
119.546	6.30 mm	26
119.548	7.20 mm	28
119.550	8.00 mm	30
119.552	9.60 mm	32
119.554	11.10 mm	34

Sold individually

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High Speed Steel Cone Burs 1.10mm-11.10mm

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High Speed Steel Cone Burs 1.10mm-11.10mm

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