The flanged US knurled hand-tightening nut (brass material) is a fastener that combines functionality, convenience, and specific standard design. The following is an introduction to its core functions.
Quick manual assembly function
The knurled design provides strong friction and can be tightened/disassembled by hand without tools, which is particularly suitable for scenarios that require frequent adjustment or maintenance.
Typical applications: oscilloscope calibration knobs, 3D printer component adjustment.
Standardized thread compatibility
Covering common US specifications:
#4-40: Small precision thread (approximately M2.9), suitable for circuit board fixing
#6-32: Electronic industry standard (approximately M3.5), hard disk installation thread
#8-32: Medium load (approximately M4.2), industrial control panel
1/4-20: Universal coarse thread (approximately M6), tripod interface for photographic equipment
Brass material threads are self-lubricating and can reduce the risk of metal bite.
Structural reinforcement design: The flange base increases the contact area, disperses the pressure, prevents plastic parts from cracking, and reduces surface indentations caused by repeated disassembly.
Advantages of brass
Conductivity: meets EMI shielding requirements
Corrosion resistance: resists sweat erosion
Non-magnetic: does not affect precision instruments
Ergonomic details
Knurling pitch 0.8-1.2mm optimized design
Anti-slip in dry and wet environments (applicable to marine equipment)
Operable with gloves (industrial safety requirements)



