For more than 30 years!
Advice, distribution, installation and service for
compressors, compressed-air conditioning, refrigeration engineering,
regenerative heat recovery and pneumatic tools

For more than 30 years!
Advice, distribution, installation and service for

compressors, compressed-air conditioning, refrigeration engineering,
regenerative heat recovery and pneumatic tools

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Item group

Counterbore, DIN 373

Exemplary representation: Counterbore set (DIN 373)

Description:

Counterbore for manufacture of countersinking according to DIN 74, Page 2, Form H, J and K for socket head cap screws, hexagonal screw heads and nuts. Ideal for burr-free and zero chatter countersinking. Best results at low cutting speed.

Quality:

HSS-G:

Use for steel, cast steel alloys and non-alloys, grey, malleable, ductile and cast iron, sintered iron, nickel silver, graphite, short cutting aluminium alloys, brass, bronze and plastics

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Catalogue page Atlas 9 (Page 989a_n) atlas9_neutral_seiten/989a_n.pdf

Counterbore, DIN 373:

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BOHR FSD M3 HSS

Counterbore DIN 373 for M 3-throughway, medium quality grade

Version	Usage	for screws	Countersink diameter [mm]
single countersink	throughway, medium quality grade	M 3	6

BOHR FSD M4 HSS

Counterbore DIN 373 for M 4-throughway, medium quality grade

Version	Usage	for screws	Countersink diameter [mm]
single countersink	throughway, medium quality grade	M 4	8

BOHR FSD M5 HSS

Counterbore DIN 373 for M 5-throughway, medium quality grade

Version	Usage	for screws	Countersink diameter [mm]
single countersink	throughway, medium quality grade	M 5	10

BOHR FSD M6 HSS

Counterbore DIN 373 for M 6-throughway, medium quality grade

Version	Usage	for screws	Countersink diameter [mm]
single countersink	throughway, medium quality grade	M 6	11

BOHR FSD M8 HSS

Counterbore DIN 373 for M 8-throughway, medium quality grade

Version	Usage	for screws	Countersink diameter [mm]
single countersink	throughway, medium quality grade	M 8	15

BOHR FSD M10 HSS

Counterbore DIN 373 for M 10-throughway, medium quality grade

Version	Usage	for screws	Countersink diameter [mm]
single countersink	throughway, medium quality grade	M 10	18

BOHR FSD SET HSS

Flachsenkerset, 6 tlg. Durchgangsloch, mittel

Version	Usage	for screws	Countersink diameter [mm]
Set (6 pieces in sturdy industrial case)	throughway, medium quality grade	M 3 - M 4 - M 5 - M 6 - M 8 - M 10	6 - 8 - 10 - 11 - 15 - 18

BOHR FSK M3 HSS

Counterbore DIN 373 for M 3-Thread core holes

Version	Usage	for screws	Countersink diameter [mm]
single countersink	Thread core holes	M 3	6

BOHR FSK M4 HSS

Counterbore DIN 373 for M 4-Thread core holes

Version	Usage	for screws	Countersink diameter [mm]
single countersink	Thread core holes	M 4	8

BOHR FSK M5 HSS

Counterbore DIN 373 for M 5-Thread core holes

Version	Usage	for screws	Countersink diameter [mm]
single countersink	Thread core holes	M 5	10

BOHR FSK M6 HSS

Counterbore DIN 373 for M 6-Thread core holes

Version	Usage	for screws	Countersink diameter [mm]
single countersink	Thread core holes	M 6	11

BOHR FSK M8 HSS

Counterbore DIN 373 for M 8-Thread core holes

Version	Usage	for screws	Countersink diameter [mm]
single countersink	Thread core holes	M 8	15

BOHR FSK M10 HSS

Counterbore DIN 373 for M 10-Thread core holes

Version	Usage	for screws	Countersink diameter [mm]
single countersink	Thread core holes	M 10	18

BOHR FSK SET HSS

Flachsenkerset, 6 tlg. Gewindekernloch

Version	Usage	for screws	Countersink diameter [mm]
Set (6 pieces in sturdy industrial case)	Thread core holes	M 3 - M 4 - M 5 - M 6 - M 8 - M 10	6 - 8 - 10 - 11 - 15 - 18

Shipping on the same day

More than 99% of the orders, which are made before 6:00 p.m. in our Online Shop, are shipped on the same day.

Ordered by 9:00 p.m: Shipping on the same day

For online orders between 6:00 and 9:00 p.m. on request we ship the same day.

Technical Consulting

Our qualified employees are glad to answer your questions and requests. We are always available via telephone and email.

Re-coding service

Using the search function in our Online Shop, quickly find the right product with the item number of other supplier or manufacturer.

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