RC-Monster Forums - View Single Post - M3 and 4-40 thread

MetalMan · 06.12.2006, 10:47 PM

I've found that 4-40 screws are actually slightly smaller in diameter. For example, when threading into plastic, the 3mm screws will catch the plastic and make a thread, but the 4-40 won't hold a thread (not enough plastic being caught by the threads).

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MetalMan RC-Monster Mod Offline Posts: 5,297 Join Date: Mar 2005 Location: SoCal	06.12.2006, 10:47 PM I've found that 4-40 screws are actually slightly smaller in diameter. For example, when threading into plastic, the 3mm screws will catch the plastic and make a thread, but the 4-40 won't hold a thread (not enough plastic being caught by the threads). SH Z-Car, Custom Crawler, 8s Savage, 12s XTM XLB 1/7 buggy, 4wd 4-link rear/IFS Pro4 truck, Custom Hyper 10 Short Course, Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz