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Lot of 10 OSG screw-thread-insert (STI) taps.
OSG Part #: 8012100
List/Series: S108
Thread: 1/4-28 UNF STI
Thread Limit: GH3 / H3 as marked
Flutes: 3
Style: Spiral Flute
Chamfer: Bottoming
Material: HSS
Finish: Bright / Uncoated
Quantity: 10 taps
Designed for STI / wire-thread-insert applications such as Heli-Coil style inserts and blind-hole tapping.
All appear new/unused in original individual cases. See photos for exact markings and condition.
The 8012100 is listed by industrial suppliers as a 3-flute, 50° helix, bottoming STI tap.
Category: Spiral Flute Taps.
