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High-precision countersink, long, with 3 drive flats 90°, TiAlN, External ⌀ D_c: 12,4mm

Article no.: 150376 12,4

forHigh-precision countersink set with 3 drive flats, long, No. 150376 in a case 90°, TiAlN, Number of countersinks: 6

High-precision countersink, long, with 3 drive flats 90°, TiAlN, External ⌀ D<sub>c</sub>: 12,4mm

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External ⌀ D_c (mm):

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Quantity

on request

In stock

112 pieces in stock

Countersink tip angle: 90
Tool material: HSS
Spacing of the countersink cutting edges: unequal spacing
Number of cutting edges Z: 3
Standard: Manufacturer’s standard

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High-precision countersink set with 3 drive flats, long, No. 150376 in a case 90°, TiAlN, Number of countersinks: 6

Article no.: 150369 6

on request

In stock

20 pieces in stock

Countersink tip angle: 90

Tool material: HSS

Spacing of the countersink cutting edges: unequal spacing

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£290.75

plus VAT at the current rate Prices plus delivery costs
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Product details

Technical Data

External ⌀		12.4 mm
Coating		TiAlN
Countersink tip angle		90 degrees
Tool material		HSS
Spacing of the countersink cutting edges		unequal spacing
Number of cutting edges Z		3
Standard		Manufacturer’s standard
Shank		Three clamping flats to h9
Through-coolant		no
smallest countersink ⌀ for holes from		2.8 mm
Overall length L		108 mm
Shank ⌀ D_s		8 mm
for countersunk screws DIN 7991		M6
Feed f in steel < 500 N/mm²		0.13 mm/rev.
Shank tolerance		h9
Colour ring		green
Pre-drill ⌀		2.8 mm
Type of product		Stepped drill and countersink

Identification numbers & Classifications

Article number		150376 12,4
EAN / GTIN		4062406066017
Manufacturer number		150376 12,4

Application Table

Description

Version:

All countersinks have 3 cutting edges, radially relief ground. Flutes ground from solid.
High-precision countersink, produced to tight manufacturing tolerances similar to DIN335-C, with long plain shank.
Special geometry with extremely unequal spacing and matching cutting edge preparation.
Newly developed, special TiAlN coating for long tool life.
Three drive flats on the shank for use in a 3-jaw chuck.

Application:

High-precision countersinks for chatter-free production of precise, round 90° countersunk surfaces.

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Data sheet

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Coating	TiAlN	uncoated	TiAlN	uncoated	TiN	uncoated	uncoated	TiAlN	TiAlN	TiAlN	TiAlN	TiAlN
Colour ring	green	without	green	without	green	without	without	green	green	green	green	green
for countersunk screws DIN 7991	M6	M6	M6	M6	M6	M6	M6	M6	M6	M6	M6	M6
Standard	Manufacturer’s standard	DIN 335 C	DIN 335 C	DIN 335 C	DIN 335 C	Manufacturer’s standard	DIN 335 C	DIN 335 C	DIN 335 C	Manufacturer’s standard	DIN 335 C	DIN 335 C
Shank	Three clamping flats to h9	Plain shank with h9	Plain shank with h9	Plain shank with h9	Plain shank with h9	Plain shank with h9	Shank with h9 and three drive flats	Plain shank with h9	Shank with h9 and three drive flats	Parallel shank to h9	Three clamping flats to h9	Plain shank with h9
smallest countersink ⌀ for holes from	2.8 mm	2.8 mm	2.8 mm	2.8 mm	2.8 mm	2.8 mm	2.8 mm	2.8 mm	2.8 mm	2.8 mm	2.8 mm	2.8 mm
Feed f in steel < 500 N/mm²	0.13 mm/rev.	0.12 mm/rev.	0.12 mm/rev.	0.12 mm/rev.	0.12 mm/rev.	0.12 mm/rev.	0.12 mm/rev.	0.13 mm/rev.	0.13 mm/rev.	0.13 mm/rev.	0.12 mm/rev.	0.12 mm/rev.