Tachart Ltd, (trading as Bolt and Nut Manufacturing or "BNM" for short) is a precision engineering manufacturing plant located in South Yorkshire UK. We specialise in manufacturing special high integrity fasteners and threaded components for critical applications and from a wide range of materials especially exotics. We also machine on behalf of our customers some valve bodies, inspection covers and other more advanced engineering components etc. Our core values are: • Special Fasteners and Machined Components. • Quantities from 1 - 2000. • Components made from high performance alloys and exotic alloys. • Fully traceable and Certified Components. ISO 9001 accredited. • Components of the Highest Quality. • Competitive Pricing. • 24 Hr Production & Delivery for Urgent or Emergency Items.