0HC0250C01500Z5

The “C”, as listed below, lets us know that this fastener has course threads. So now we have identified a steel hex cap screw that is ¼-20. “0HC0250C…”

1TS0014A01500HWSLZ

The “A” lets us know that this Tapping Screw has type A point. So now we have identified a #14 stainless TSA. “1TS0014A…” (TSA is short for identifying a Tapping Screw that is Type A.)

(1)   A         Tapping Screws / Wood Screws / Lag Screws / Tek Screws

B         “B” Point with “B” Threads

C         Course Threads

F          Fine Threads

M         Medium Threads (for Metrics)

N         No Threads (for pins, etc.)