Demand

Case No.5

IneedaM20 × 2.5 oversize tap for Helical Wire Screw

Thread Inserts (STI)!

Tapping Condition Standard blank

Workpiece MaterialsADC12
MachineNC lathe
FeedSynchronous feed
Cutting FluidNon-water soluble cutting oil
Bore Hole Sizeφ17.6
Bored Hole Length22mm(through hole)Step 1 is grinding the flute.
Tapping Length22mm
Tapping Speed7.5m/min◦ Cutting edge designed for tapping

aluminum Hand tap for (oversize) Specification is for Helical Wire Helical Wire Screw Screw Thread Inserts Thread Inserts

completed!

Case No.6

Iwantaspiral fluted M5 × 0.8 tap with a 100mm OAL and

a 1.5P chamfer!

Tapping Condition Standard blank

Workpiece MaterialsS45C
MachineMC
FeedSynchronous feed
Cutting FluidWater soluble cutting fluid
Bore Hole Sizeφ4.2
Bored Hole Length8.5mm(blind hole)
Tapping Length7mm
Tapping SpeedStep 1 is grinding the flute. 5m/min
  • Chamfer length is specified to

A completed be 1.5P

long shank spiral

fluted tap with

1.5P chamfer!