Krollit Blog

Your go-to for updates, guides, and technical insights.

How to Fill Wood: A Complete Guide to Perfect Repairs
Filling wood is an essential step in many woodworking projects, especially if you want to achieve a smooth, flawless surface. While it may seem like a simple task, there are...
How to easily and professionally varnish already varnished wood
Painting over already painted wood may seem like a complex task, but with the right preparation and adequate tools, it's possible to achieve a flawless result. Whether you're renovating old...
Maximum sheet thickness: steel, stainless steel and aluminium compared
A shear rated at 1.5 mm cuts approximately 1.0 mm of stainless steel and 2.2 mm of aluminium. The same rated capacity corresponds to three different thicknesses, and the specification...
Workshop presses: how to choose the tonnage
Pressing a 50 mm bearing onto a shaft with an H7/p6 fit requires around 0.65 tonnes of force. Not twenty. Tonnage is rarely the real constraint when choosing a workshop...
How to Heat a Workshop: How Many kW You Need and What It Costs
A 1,000 m² industrial building 8 metres high with moderate insulation needs around 293 kW of heat output, rising to 381 kW once the stratification factor set out in the...
Vertical Log Splitter: How Many Tonnes by Diameter and Species
A 14 t vertical log splitter handles oak and beech up to Ø 250 mm, spruce and poplar up to Ø 300 mm. Below 7 t the limit drops under...
Single-Phase or Three-Phase: How Many kW and Amps You Really Need
Up to about 2.2 kW of motor power, single-phase 230 V is enough. Above that you need three-phase 400 V or a VFD.A 3 kW domestic meter trips above 3.3...
How to Use a Metal Lathe: Full Guide and Which to Choose
To use a metal lathe you clamp the workpiece in the chuck, set the speed according to diameter and material, and feed the tool against the rotating workpiece. An entry-level...

DG 32 PRO Drill Sharpener Repair
The photo shows the customer's DG 32 PRO drill sharpener, which was sent in for assistance due to a suspected motor overload. The presence of dirt or debris around the...
AD 260 S planer and thicknesser repair with spiral shaft
Removal of wood residue: using the appropriate tools and materials, the technician carefully removed all wood residue from the planer's surface and within its moving parts. Thorough cleaning: The...
Leveling the PT 260 230 V bench thickness planer
In this video, we delve into the heart of precision woodworking, addressing a common yet crucial issue: aligning the tables of a Bernardo PT260 planer. Many craftsmen and hobbyists have...
Maintenance of the TK 250 RSN table saw
The photo captures the central body of the TK 250 RSN table saw, offering a clear and detailed perspective of the machine. At the center of the image is the...
Maintenance and calibration of the Profi 750 LZ lathe
The photo shows a technician adjusting a lathe. Specifically, the technician is using a dial indicator to check the precision of a spindle or the alignment of a workpiece. The...
Installation of FM 55 HTC vario drill and milling machine with 3-axis digital display
Unpacking the machine The machine was carefully unpacked to avoid damage to components during transport. Assembly of the oil pump, spindle, and other accessories The oil pump was assembled following...
Installation of TBM 3020 motorized bending machines
Disassembly and analysis preparation of the damaged pinion and axle The technician carefully and precisely disassembled the pinion, a fundamental component of the mechanism, in order to replace the...

Best Jointer Planers for Hobbyists in 2026
Are you a passionate woodworking hobbyist? Then you know how crucial it is to have the right tools. Among these, jointer and planer machines are essential for ensuring a smooth...
Which dust extractor do you need for your lathe, mitre saw or planer?
The right question is not how many m³/h the extractor delivers, but how many inlets it has and their diameter. A Bernardo DC 180 rated at 850 m³/h has one...
Electric or Manual Pallet Truck: When It Really Pays Off
The threshold is not the number of pallets per day, because no independent source publishes one. The verifiable criterion is the force at the tiller: above 360 N of initial...
Best Mitre Saws for Wood: Sliding, With Upper Table or Fixed
Mitre saws for wood from €78.97 to €437.37. Table of cutting capacities at 90 and 45 degrees for every model, sliding or with an upper table. Since 2007.
Best Spindle Moulders for Wood: Router, Router Table or Stationary
A spindle moulder has a tool spindle of its own, usually Ø 30 mm, and takes full-profile cutters. A router table has no spindle: a router is bolted underneath it....
Best Wood Glues: Ranking, Types and Buying Guide (2026)
The best wood glue depends on the job. For indoor work Titebond Original D2 (€5.80) is enough; for outdoors, damp rooms and chopping boards the best value is II Premium...
Top 10 Best Bernardo Threading and Tapping Machines 2026
The best Bernardo arm tapping machines start at €768.60 for the pneumatic TM 12 P (M3–M12, 20 kg) and go up to €2,049.60 for the electric TM 36 BLO with...
The 9 Best Sheet Metal Notchers 2026: Manual, Pneumatic, and Hydraulic Bernardo
The best manual notching machine for value for money is the Bernardo AK 100 (€950): the only one in its category that can work with thicknesses up to 3mm, with...