KOC

Commodity Brief

Spot Drills 90˚/120˚

◼ Nearly 2um deflection center provides high stability during operation.

◼ High precision and excellent cutting performance can extend the life of the drill bit.

◼ Using AlTiCrN coating, the tool life can be extended and the number of tool changes can be reduced.

◼ Positioning and chamfering can be completed at one time, providing consistent and high-quality processing results.

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Product Introduction

Carbon Steel	Alloy Steel	Prehardened Steel	Stainless Steel	Aluminum Alloy	Copper	Resin	Graphite	Hard Brittle Material	Heat Resistant Alloy	Hardened Steel
Carbon Steel	Alloy Steel	Prehardened Steel	Stainless Steel	Aluminum Alloy	Copper	Resin	Graphite	Hard Brittle Material	Heat Resistant Alloy	〜 40HRC	〜 50HRC
○	○	○	○	◎	◎	◎				◎	○

Code No. KOC	(θ˚) Taper Angle	(D) Dia.	(h) Length of Cut	(t) No. of Flute	(d) Shank Dia.	(L) Overall Length
3-030-90	90˚	3	6	2	3	50
4-040-90	90˚	4	8	2	4	50
5-050-90	90˚	5	10	2	5	50
6-060-90	90˚	6	12	2	6	50
8-080-90	90˚	8	16	2	8	60
10-100-90	90˚	10	20	2	10	75
12-120-90	90˚	12	24	2	12	75
16-160-90	90˚	16	32	2	16	100

3-030-120	120˚	3	6	2	3	50
4-040-120	120˚	4	8	2	4	50
5-050-120	120˚	5	10	2	5	50
6-060-120	120˚	6	12	2	6	50
8-080-120	120˚	8	16	2	8	60
10-100-120	120˚	10	20	2	10	75
12-120-120	120˚	12	24	2	12	75
16-160-120	120˚	16	32	2	16	100