All posts by: Polledri Srl

Polledri Srl
About Polledri Srl

Via Gramsci, 40/42 21057 Olgiate Olona (VA) Italy Tel. +39 0331 375990 Fax +39 0331 375322 Email: polledri@polledri.it Web: http://www.polledri.it

Kit 3 flutes countersinks 90° HSS 5% Co. Include diameters 8,3 – 10,4 – 12,4 – 16,5 – 20,5 for M4 – M5 – M6 – M8 – M10 Available: without coating, TiN coated, TiAlN coated On demand: different coating on demand, 3 flated shanks.

POLLEDRI AT EXHIBITION EMO MILANO 2015 We inform our Dear customers, that POLLEDRI will be present at EXHIBITION EMO MILANO 2015, to provide first hand information about our company , our tools and future initiatives. Visit us , we look forward to EMO MILANO 2015, from 05 to 10 October 2015, PAD 4 – STAND […]

Counterbores with 4 flutes type N-N/T group 0-1-2 in HSS hardness 63 HRC, from Ø 7 to Ø 85. Helix angle 40°. You can fit them in all the Polledri mandrels of the same group. These counterbores are manufactured to solve all the problems of cylindrical head screw counterboring and spot-facing. With rotatory pilots or drills you […]

Toolholders type A/T-A/TF in carburized and hardened steel, hardness 60 HRC to use with counterbore and countersink with front connection from Ø 30 to Ø 40 for the group 1 and from the Ø 50 to Ø 100 for the group 2. These Toolholders have an high resistance frontal drag-slot,so you can use them for […]

Counterbores with 2 flutes type W group 0-1-2 in HSS hardness 63-HRC from Ø 7 to Ø 40. Helix angle 28°. You can fit them in all the Polledri mandrels of the same group. With rotatory pilots or drills you can execute simultaneous operations. We advise them for materials with long and normal chip.

We inform our customer that new CATALOG / PRICE LIST POLLEDRI 2017 coming into effect from 01/07/2017 . From that date, you can download the file directly in .PDF format and the only price list in .xls , .csv format and .txt Our staff is at your disposal for any clarification.  

Counterbores with 3 flutes type H-H/T group 0-1-2 in hard metal quality ISO K 30 from Ø 10 to Ø 85. Helix angle 50°. You can fit them in all the Polledri mandrels of the same group. These counterbores are manufactured to solve all the problems of counterboring head screw and spot facing on cast […]

POLLEDRI AT EXHIBITION EMO HANNOVER 2017 We inform our Dear customers, that POLLEDRI will be present at EXHIBITION EMO HANNOVER 2017, to provide first hand information about our company , our tools and future initiatives. Visit us , we look forward to EMO HANNOVER 2017, from 18 to 23 September 2017, PAD 004 – STAND […]

Counterbores with 2 flutes type HI-HI/T group 0-1-2 in hardness and tempered steel with hardness 42 ÷ 45 HRC, from Ø 18 to Ø 60. Helix angle 7°. You can fit them in all the Polledri mandrels of the same group. With fixed or rotating pilots, or drills you can execute simultaneous operations. We advise […]

Kit 3 flutes countersinks 90° HSS 5% Co. Include diameters 6,3 – 8,3 – 10,4 – 12,4 16,5 – 20,5  for M3 – M4 – M5 – M6 – M8 – M10 Available: without coating, TiN coated, TiAlN coated On demand: different coating on demand, 3 flated shanks.

Countersink cutters 90°-60° type S-S/T group 0-1-2 in HSS hardness 63 HRC, from Ø 8,3 to Ø 100. You can fit them in all the Polledri mandrels of the same group. These cutters with 3 flutes are manufactured to solve in rational way all the problems of countersinking. Their main characteristic,as well as the possibility […]

Kit 3 flutes countersinks 90° HSS 5% Co. Include diameters 6,3 – 8,3 – 10,4 – 12,4 16,5 – 20,5 – 25  for M3 – M4 – M5 – M6 – M8 – M10 – M12 Available: without coating, TiN coated, TiAlN coated On demand: different coating on demand, 3 flated shanks.

Assortimento di svasatori 3 tagli 90° in HSS 5% Cobalto. Composto dai diametri 10,4 – 12,4 – 16,5 – 20,5 – 25 per sedi di viti M5 – M6 – M8 – M10 – M12 Disponibile nelle versioni: Neutri, Con rivestimento TiN, Con rivestimento TiAlN Altri rivestimenti a richiesta, pianetti sul gambo a richiesta.

Pilot type F-R group 0-1-2 in carburized and hardened steel with hardness 60HRC from Ø 4 to Ø 52. You can fit them in all the Polledri mandrels of the same group. The large range of pilot sizes permit you to guide most counterbores and countersinks in general use.

3 Flutes Countersinks in HSS 5%CO. 63 HRC or carbide K.15. 90 °, 60 °, 100 °, 120 ° cylindrical shank and morse taper. From Diam. 4.3 to Diam. 100. They are suitable to perform rabbets on all materials. They can also be used for bevels, having the care to reduce the values ​​of both […]

POLLEDRI NEWS FOR 2018, ANTI-VIBRATION COUNTERSINKS From diameter 6.3 to diameter 31.0 ASYMMETRICAL GEOMETRY OF THE CUTTING EDGES Decreases the axial force compared to the traditional countersinks, reducing the tool vibrations and giving a better finish of the countersinking RECTIFYED RAKE ANGLE AND DIAMETER The rake angle rectifyed to 20° and at constant value, grants […]

Drills type C-L group 0-1-2 in HSS hardness 63 HRC from Ø 4,2 to Ø 25. You can fit them in all the Polledri mandrels of the same group. Fitting them in the counterbores and countersinks you can to drill and to counterbore or to countersink simultaneous. Using a good soluble oil you can increase […]

Single Flute Chamfering cutters HSS 5% Cobalt 63 HRC. 90° and 60° cylindrical shank and Morse Taper. From Diam. 4 to Diam. 50. Greater countersinking capacity from the point to the outside diameter. Simultaneous drilling and countersinking on thin elements. They are suitable to perform both bevels that rabbets on all materials which require a […]

Toolholders type A-AF in carburized and hardened steel hardness 60 HRC. You can fit them rapidly all the interchangeable counterbores an countersink Polledri of the same group. These Toolholders have different shanks in morse taper and morse taper with threaded hole.

Deburring Tool with hole HSS 5%CO. 63 HRC. 90 ° and 60 ° cylindrical shank and Morse Taper. From Diam. 10 to Diam. 50 The deburring tool “with hole” is more particulary designed for countersink, for the execution of little chamfer,and for use with light metals and plastics. The surface obtained is smooth and without […]

Pipes Deburrers Inter/Exter 3 Flutes in HSS-E. 90° Cylindrical Shank. TYPE 01: Exter:   5,2-13,5 | Inter: 2,0-11,0 TYPE 02: Exter: 12,2-30,0 | Inter: 10,0-31,0 TYPE 03: Exter: 18,0-48,0 | Inter: 20,0-50,0

Toolholders type A/T-A/TF in carburized and hardened steel, hardness 60 HRC to use with counterbore and countersink with front connection from Ø 30 to Ø 40 for the group 1 and from the Ø 50 to Ø 100 for the group 2. These Toolholders have an high resistance frontal drag-slot,so you can use them for […]

This tool manufactured in HSS + TiN is used for making a large number of holes of different diameters in any material, ferrous or non ferrous. It is an improvement on the conical drills because the finish of the hole is exactly round and is very easy to use. SIZE 1: From Diam. 4 to […]

Toolholders type C in carburized and hardened steel hardness 60 HRC. You can fit in them rapidly all the Polledri counterbores and countersinks of the same group. To use in machining with guide bushes.  

Toolholders type D-D/T in carburized and hardened steel hardness 60 HRC. You can fit in them rapidly all the Polledri counterbores and countersinks of the same group. We advise them for NC. Machines and always when you need to adjust the counterbores.

The Polledri countersink for drill permits you to drill and countersink simultaneous. The drill countersink adapts to most standard twist drills within the range from Ø 3 to Ø 30. Fixed on the drill by two screw on its back

Spotfacing is possible if a suitable machine tool is used, but the speed and precision of execution depend very often on the availability of a tool manufactured for such a specific operation. The back-spotfacing cutters manufactured by Polledri eliminate in most cases these specific problems. The vast range of diameters available from the catalogue will […]

This tool permit threading and bevelling in one operation. The countersink for tap is formed from 3 parts: one ring, one spring and one head. The ring is fixed with 2 screws at 90° degree on the shank of the tap in the correct position, so that when the tool work the spring is not […]

In many cases spot-facing operations present considerable difficulties, it is most useful therefore to have available versatile and efficient tools which carry out such operations in an easy and speedy manner. With this in mind Polledri have introduced in the back-spotfacing cutters of Groups 30 and 40 a very important innovation, that is a Rolling […]

POLLEDRI AT MECSPE PARMA 2016 We inform our Dear customers, that POLLEDRI will be present at EXHIBITION MECSPE PARMA 2016, at ITTC‘s stand to provide first hand information about our company , our tools and future initiatives. MECSPE is the reference fair for the manufacturing industry. The meeting point between production technologies and industrial sectors […]

Toolholders type B in carburized and hardened steel hardness 60 HRC. You can fit them rapidly all the interchangeable counterbores an countersink Polledri of the same group. Straight shank.

GROUP 6-9-14-20-30-40 Cutters to back spotfacing with 3 flutes in HSS hardness 63 HRC from Ø 12 to Ø 125. You can fit them on all the Polledri arbors in the same group. You can fit them on the arbors quickly with the special quick change bayonet system. Using a good soluble oil you can […]

GROUP 6-9-14-20-30-40 Cutters to back spotfacing in tungsten carbide ISO K 30 from Ø 12 to Ø 125. You can fit them on all the Polledri arbors of the same group. You can connect them on the arbors quickly because they have an special quick change bayonet system. Using a good soluble oil you can […]