Core and core drills

Holder, mandrel for clamping diamond drill bits Clamping range: 14-30mm Clamping shank: SDS (do not use a hammer!) Drill diameter: 6.35mm Thread: UNF 1/2" x 20 pitches per inch The holder includes a drill bit with brazed carbide tips.

Holder, mandrel for clamping diamond drill bits Clamping range: 32-152mm Clamping shank: SDS (do not use hammer!) Drill diameter: 6.35mm Thread: UNF 5/8" x 18 pitches per inch The holder includes a 6.35x80mm drill bit with brazed carbide tips.

Carbide-tipped centering drill for diamond crowns Drill diameter: 6.35mm Drill length: 80mm Main photo is illustrative - see second photo , where this drill is realistically depicted in the holder.

Carbide-tipped centering drill for diamond crowns Drill diameter: 6.35mm Drill length: 70mm Main photo is illustrative - see second photo , where this drill is realistically depicted in the holder.

12-25mm > This compact grinder can quickly and accurately drill bits with cutting edge angles of 100 - 136th. According to the diameter of the drill, you select the correct collet, insert it in the holder and insert the drill bit ER40 collet set is part of the grinder: 12/13/14/15/16/17/18/19/20/21/22/23 / 24 / 25mm Application: The grinding machine is suitable for grinding of right-handed spiral drills with cylindrical and conical shanks. Grinding wheel CBN

Diameter: 19 mm Height: 58mm Material: HSS (High Speed ??Steel) Medium Tooth Suitable for Drilling to: alloy and ordinary steels, non-ferrous materials and light metals UNF 1/2 "internal thread - 20 turns , which does not affect functionality - the gearing is OK.

Diameter: 83 mm Height: 40mm Material: HSS (High-Speed ??Steel) Medium tooth Suitable for drilling to: alloy and ordinary steels, non-ferrous and light metals UNF 5/8 " - , which does not affect functionality - the gearing is OK.

Diameter: 83 mm Height: 52mm Material: HSS (High-Speed ??Steel) Rough Teeth Suitable for Drilling to: alloy and ordinary steels, non-ferrous and light metals UNF 5/8 " - , which does not affect functionality - the gear is OK.

Bracket, brace for clamping bi-metal crowns with diameters 14-30mm Drill bit diameter: 6,5mm Hexagon for clamping: 10mm For clamping crowns diameters 14-30mm

Bracket for bimetallic crown with diameters 32-152mm Drill bit diameter: 6,5mm Hexagon for clamping: 10mm For drilling of 32-152mm drilling crowns

Replacement centering drill for XT-Line cabrid countersink drills Diameter: 6mm Total length: 68mm At the end there is a 5.2mm wide locking flat located from end 2 .5mm to 10mm.

Carbide core drill / reamer / drill core is made from one piece - including shank. Diameter: 18 mm (tolerance 1mm!) Drilling depth: 25mm Clamping shank: cylindrical shank with hexagon, diameter 10mm Has powered carbide teeth that allow easier drilling with less downforce. Exact guidance is ensured by a removable guide drill with a diameter of 6 mm. The spring on the drill serves to easily remove the drilled material. The guide drill is secured with an Allen "worm". .Cutting conditions: Steel: 630-800 rpm Stainless steel: 360-450 rpm Use: Pillar drill, or manual with drills up to a diameter of approx. 40-50mm - but you need to hold the drilling axis and always keep all the blades engaged. If you do not keep all the blades engaged or you are not able to keep the drill in the drilling axis ( jerk , shocks, etc.) , the carbide cutting edge may chip - i.e. irreversible damage to the tool.