Welcome to Mollart Cox Engineering - the UK's largest and most diverse privately owned sub-contract machining facility. Specialising in Deep Hole Drilling, Honing, large CNC machining and Gun Drilling. We have unparalleled levels of expertise in all aspects of Deep Hole Drilling, Gun Drilling, Honing and large CNC machining with a reputation solidly built on being able to offer complete engineering solutions whatever your needs. Whether you have a requirement for one component or a whole batch, Mollart Cox will complete the task, and our continued growth means we can provide gun drilling, deep hole drilling, honing and CNC machining on items up to 20 tonnes.