DIAMOND DRILL BITS

HIGH-PERFORMANCE ABRASIVES

Diamond drill bits

Diamond drill bit BNN-V

Bohrkrone BNN-V in Profiqualität für den Trocken- und Nassschnitt. Vakuumgelötet, Bohrtiefe 40 mm mit Aufnahme M14 für Winkelschleifer. Top Preis-/Leistungsverhältnis. Einsatzgebiet Fliesen, Keramik, Marmor, Granit, Hartgestein

Specification

BNN-V professional-grade core drill bit for dry and wet cutting. Vacuum brazed, 40 mm drilling depth with M14 shank for angle grinders. Excellent value for money.

Applications

Tiles, ceramics, marble, granite, hard stone.

Dimensions/mm

Please request

PU

1 piece

Diamond cutting disc for chamfering

Trennen und Anfassen von HAT, KG Rohren sowie GFK und CFK Kunststoffen in einem Arbeitsgang. Fräsbund dienst gleichzeitig als Tiefenanschlag beim Trennprozess. Einsatzgebiet Trennen und Anfassen von HAT, KG Rohren sowie GFK und CFK Kunststoffen

Specification

Cutting and handling of HAT, KG pipes, as well as GRP and CFRP plastics in one single operation. The milling collar simultaneously serves as a depth stop during the cutting process.

Applications

Separating and handling HAT, KG pipes as well as GRP and CFRP plastics.

Dimensions/mm

125 x 22,23

PU

1 piece


Diamond drill bit BNN-U

Diamantbohrkrone, gelötet, für problemlose Decken- und Wandbohrungen in Stahlbeton und Mauerwerk, für den universellen Einsatz im Hoch- und Tiefbau geeignet. Einsatzgebiet Universal Baumaterial, Beton, Natur- und Kunststein, Granit

Specification

Diamond core drill bit, brazed, for trouble-free ceiling and wall drilling in reinforced concrete and masonry, suitable for universal use in building construction and civil engineering.

Applications

Universal building material, concrete, natural and artificial stone, granite.

Dimensions/mm

(Ø x usable length)

Connection: 1 1/4 inch UNC socket

82 x 400

102 x 400

122 x 400

152 x 400

200 x 400


Connection: ½ inch spigot

52 x 300

82 x 300


Wet drilling



RPM

16 m/s

Connection: 1 1/4 inch UNC socket

3,850

3,100

2,450

2,050

1,550


Connection: ½ inch spigot

6,150

3,850


Other sizes, re-burring options, and "dry cutting" drill bits are available upon request!

Number of segments/

Dimensions (mm)

Connection: 1 1/4 inch UNC socket

7/25 x 3.5 x 8

9/25 x 4 x 8

10/25 x 4 x 8

12/25 x 4 x 8

15/25 x 4 x 8


Connection: ½ inch spigot

5/25 x 3.5 x 8

7/25 x 3.5 x 8

Connections

Suitable for diamond drilling machines with water supply.

PU

1 piece

Diamond drill bit BTN-U

Set Diamant-Dosensenker, bestehend aus Bohrkrone mit M16 Innengewinde, Aufnahmeschaft Sechskankt, Zentrierbohrer und Austreibkeil. Zum Trockenbohren von Steckdosenlöchern (Ø 68 mm) und Verteilerdosenlöchern (Ø 82 mm). Top Preis-/Leistungsverhältnis. Einsatzgebiet Leichtbeton, Ziegel, Betonmaterial (kein Altbeton), hochverdichteter Kalksandstein

Specification

Diamond core drill set, consisting of a core drill bit with M16 internal thread, hexagonal shank, pilot drill, and ejector wedge. For dry drilling of socket holes (Ø 68 mm) and junction box holes (Ø 82 mm). Excellent value for money.

Applications

Lightweight concrete, bricks, concrete material (not old concrete), highly compacted sand-lime brick.

Diameter/mm

68 x M16

82 x M16


Dry drilling


RPM

1,400

1,400


For hand drillers, switch off the impact drill function!

Number of segments

3 / 7 mm

4 / 7 mm

PU

1 piece

Accessories (included)

WEFRA QUALITY LINES

To achieve maximum efficiency, the product should be tailored to your requirements and the grinding process. Therefore, the grinding tool's performance must be selected based on the desired end result. That's why we offer various quality levels with different performance classes. Our eco-line represents the most cost-effective solution for grinding small batches. The profi-line is our all-round specification with an excellent price-performance ratio. The premium-line defines our high-end products, offering the best performance and longest service life.

eco-line

profi-line

premium-line