BOP Gear Cutters

BOP Gear Cutters We are all about attention to detail, quality workmanship and prompt service

Working from one of the best equipped specialist machine shops in New Zealand, our wide range of services includes manufacturing gears, precision engineering, OEM parts and more.

How good did these cylinder base clevises turn out! Machined from 350dia solid round 1045, our multi axis machining cent...
02/09/2026

How good did these cylinder base clevises turn out! Machined from 350dia solid round 1045, our multi axis machining centers make light work of components like these. 3D modeling, machining, welding and fitting all done in house by our highly trained team. Although we brand ourselves as a gear manufacturing company, hydraulic cylinders of all types and sizes are a daily occurrence in our workshop.

Our ST20Y mill-turn lathe made quick work of these custom adjustable cam gear hubs for Newton Team Racing. These are goi...
31/08/2026

Our ST20Y mill-turn lathe made quick work of these custom adjustable cam gear hubs for Newton Team Racing. These are going on their insane Ford Focus RS time atack car. Designed and manufactured by us to NTR spec and being fitted by Torque Performance Developments.

31/08/2026

A very cool project we've been involved with recently along side Torque Performance Developments and Newton Team Racing. More to come on the technical side of this gearbox in the future so keep an eye out for that post.

Drill baby drill! A custom replacement gear set we did for a drill rig gearbox. This time with a replaceable two piece s...
11/08/2026

Drill baby drill! A custom replacement gear set we did for a drill rig gearbox. This time with a replaceable two piece synchronization plate for easy service in the future. Back up and running like new.

11/08/2026
Another worm and wheel set out the door, another piece of heavy equipment back up and running. This was an urgent breakd...
11/08/2026

Another worm and wheel set out the door, another piece of heavy equipment back up and running. This was an urgent breakdown and getting bronze this size in a hurry isn't easy in our part of the world. We had it air freighted in from europe over a couple of days, meanwhile we got stuck into the worm so we could get it off to heat treatments asap. This worm runs in a heavy recovery winch and is originally from a WW2 recovery vehicle.

Final grinding on a double-handed two start worm shaft. This is the final step in manufacturing after hardening to 60hrc...
11/08/2026

Final grinding on a double-handed two start worm shaft. This is the final step in manufacturing after hardening to 60hrc. This machine is our WW2 era J&L 6x36 thread grinder, which after a recent spruce up is running like new.

Quick resurfacing of some chain sheaves in the Harrison Alpha 1760XS teach lathe. We manufacture the sheaves on a regula...
07/08/2026

Quick resurfacing of some chain sheaves in the Harrison Alpha 1760XS teach lathe. We manufacture the sheaves on a regular basis for a brilliant customer of ours and every now and then they come back for some TLC.

Out on site today helping a customer assemble a large SEW winch box. This is dual drive, dual braked unit off of a Kalma...
07/08/2026

Out on site today helping a customer assemble a large SEW winch box. This is dual drive, dual braked unit off of a Kalmar straddle carrier. A regular job we do is to measure and inspect critical tolerances on close fitting or shrink fit drive components. These units often see between 45,000 and 60,000 hours of use before replacement so ensuring surface finishes are correct, as well as checking fits on drive keys and shaft/hub measurements is critical.

Another batch of hydraulic motor stub shafts delivered to a repeat customer. These shafts utilize a proprietary drive sp...
03/08/2026

Another batch of hydraulic motor stub shafts delivered to a repeat customer. These shafts utilize a proprietary drive spline which required custom machined shaper tooling, designed and manufactured in house. These shafts also required an upgraded drive key and thread detail due to OEM shafts cracking and failing.

Address

33 Aviation Avenue
Mount Maunganui
3116

Opening Hours

Monday 7:30am - 4pm
Tuesday 7:30am - 4pm
Wednesday 7:30am - 4pm
Thursday 7:30am - 4pm
Friday 7:30am - 4pm

Telephone

+6475758123

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