Collection: BA Full Hex Nuts
BA Full Hex Nuts – Mild Steel & Brass (BS 57)
Designed for high-precision British engineering, classic restorations, and intricate model making, these British Association (BA) Full Hexagon Nuts deliver a secure, reliable fixing solution. Manufactured to BS 57 specifications, they are ideal for low-torque electrical, mechanical, and small-assembly applications where standard metric sizes won't fit.
Choose between durable mild steel for high tensile strength or premium solid brass for excellent corrosion resistance and electrical conductivity.
Key Features:
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Thread Standard: British Association (BA) thread profile
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Material Options:
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Mild Steel: Available in Bright Zinc Plated (BZP) or Self-Colour for general strength and durability.
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Solid Brass: Highly resistant to rust, non-magnetic, and ideal for electrical or decorative applications.
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Full Hexagon Profile: Standard full-height design for optimal spanner grip and clamping force.
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Applications: Essential for vintage vehicle and motorcycle restoration, live steam model engineering, electrical instrumentation, and antique clock repair.
| Material |
Finish Options |
Key Properties |
Common Uses |
| Mild Steel |
Bright Zinc Plated (BZP) / Self-Colour |
High structural strength, cost-effective |
Workshop assembly, vintage machinery |
| Solid Brass |
Natural Machined Brass |
Non-magnetic, corrosion-resistant, conductive |
Electrical terminals, marine, vintage models |
| Size |
Thread Pitch (TPI) |
Major Diameter (Approx.) |
| 0BA |
25.4 tpi |
6.00 mm (0.236") |
| 2BA |
31.4 tpi |
4.70 mm (0.185") |
| 4BA |
38.5 tpi |
3.60 mm (0.142") |
| 6BA |
47.9 tpi |
2.80 mm (0.110") |
