Knowledge
Practical, engineer-written guidance on deep-hole drilling, tool selection and machining.
Sourcing a private-label deep-hole tool line: what to look for
A practical guide for OEMs and distributors sourcing own-brand gundrills and deep-hole tools — quality control, accountability and worldwide supply.
Gundrilling vs BTA drilling: which deep-hole method fits your job?
A practical guide to choosing between gundrilling and BTA/STS deep-hole drilling, based on diameter, depth and production volume.
What is BTA deep-hole drilling? A plain explanation
BTA (STS) drilling explained — how it works, what makes it different from gundrilling, and where it is used.
How to choose a gundrill: diameter, material and coolant
A practical checklist for specifying a gundrill — diameter and depth, material, coolant pressure, and tolerance.
Reducing cost per hole in deep-hole drilling
Where the real cost sits in deep-hole drilling, and the levers that actually lower it — tool life, resharpening and process optimisation.
PCD vs carbide tooling: when does diamond pay off?
When polycrystalline diamond (PCD) tooling beats carbide — materials, volumes and the cost-per-part maths.