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Combined Spotting and Chamfering 145 + 90 Degree, dia 10, 16 and 25mm shank

Combined Spotting and Chamfering 145 + 90 degree, dia 10, 16 and 25mm shank

Max. Hole: Ø20mm (0.787”).
Tool holder: 99616-10 / 99616-14 / 99616-22 with indexable carbide insert: N9MT0802M / N9MT11T3M / N9MT1704M

• Utilizes standard NC Spot Drill holders, also can fit with CT insert ( suitable for spotting, chamfering, grooving and engraving ) , SW insert ( 60° and 90° engraving ), PR insert (center hole similar to DIN 332 Form R), corner rounging insert.
• Applications: Spotting, grooving and chamfering.
• Reduces process to one operation. Shortens cycle time.
• Spotting before drill, create high performance & accuracy position of hole.

Inquiry

Holder

Applications :

•Spotting, engraving, grooving and chamfering on milling machines, machining centers.
Utilizes standard NC Spot Drill holders.

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Part No	Insert Size	Shank	Ød	L
99616-10	N9MT0802	Round	10mm (0.394”)	89.08±0.29mm (3.507” ±0.011”)
99616-10-3/8	N9MT0802	Round	3/8"	89.08±0.29mm (3.507” ±0.011”)
99616-14	N9MT11T3	Weldon	16mm (0.630")	97.55±0.55mm (3.839” ±0.021”)
99616-14-5/8	N9MT11T3	Weldon	5/8"	97.55±0.55mm (3.839” ±0.021”)
99616-22	N9MT1704	Weldon	20mm (0.787”)	96.24±0.64mm (3.780” ±0.025”)
99616-22-3/4	N9MT1704	Weldon	3/4"	96.24±0.64mm (3.780” ±0.025”)

Insert

NC2033: K20F grade, for steel and cast iron.
*Combined spotting & chamfering 145°+90°, also for chamfering or grooving application.
*Spot pre-drilling for size : M4~M16
Time saving! 1 process provides 2 applications
Fully ground cutting edge and relief angle.
Each insert has 2 cutting edges.

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Part No	Coating	Thread Size	Grade	Workpiece material
N9MT0802M04C	TiAlN	M4X0.7	NC2033	PK
N9MT0802M05C	TiAlN	M5X0.8	NC2033	PK
N9MT0802M06C	TiAlN	M6X1.0	NC2033	PK
N9MT11T3M08C	TiAlN	M8X1.25	NC2033	PK
N9MT11T3M10C	TiAlN	M10X1.5	NC2033	PK
N9MT11T3UNC25	TiAlN	1/4-20 UNC	NC2033	PK
N9MT11T3UNC31	TiAlN	5/16-18 UNC	NC2033	PK
N9MT11T3UNC38	TiAlN	3/8-16 UNC	NC2033	PK
N9MT1704M12C	TiAlN	M12X1.75	NC2033	PK
N9MT1704M14C	TiAlN	M14X2.0	NC2033	PK
N9MT1704M16C	TiAlN	M16X2.0	NC2033	PK