Product Description
4BA Brass Round Slotted Head Machine Screws
4BA round head machine screws manufactured from solid brass with a traditional slotted drive. Suitable for electrical equipment, instruments, models, decorative assemblies and restoration work.
Key Features
- 4BA thread size
- Approximately 3.6mm major diameter
- Approximately 38.5 threads per inch
- Solid brass construction
- Slotted drive
- Round head
- Available in packs from 5 to 100
Available Lengths
1/2", 3/4" and 1".
Length is measured from beneath the round head to the end of the screw.
Standards
BS 57:1951 provides the dimensional reference for BA round head screws. The 4BA thread form and tolerances are covered by BS 93:2008.
BA threads are not interchangeable with metric threads, even where the diameters appear similar.
Useful Links
- 4BA brass countersunk machine screws
- 4BA A2 stainless round head machine screws
- 4BA zinc plated round head machine screws
- View all machine screws
Specifications are intended as a guide. Confirm the thread and dimensions before installation.