Helicoil
Helicoil 2087-8 Straight Flute Hand Tap M8x1.25 Plug 4 Flutes
Metric coarse tap cuts M8×1.25 threads in a 74.61 mm high-speed steel body with four flutes and a 31.75 mm thread length
- TypeHole, Drill, Bore & Wire Gauges
- M8x1.25 metric coarse thread cuts clean internal threads
- Plug chamfer starts easily in through-holes for smooth tapping
- Four straight flutes clear chips efficiently during hand operation
- High-speed steel construction resists wear for longer tool life
- 61 mm overall length with 31.75 mm thread reach for standard depths
Helicoil M8x1.25 STI Tap
This Helicoil 2087-8 straight flute hand tap cuts M8 by 1.25 metric coarse threads for screw thread inserts. It is made from high speed steel with a bright uncoated finish and a right hand thread direction. The plug chamfer and four flutes suit through holes and general purpose threading work.
Machinists repairing damaged threads
Technicians who need to create internal threads for Helicoil inserts will find this D9 limit tap matches the insert specification. It is not for cutting standard bolt threads without an insert, nor for left hand thread applications, and it does not suit blind holes that require a bottoming chamfer.
74.61 mm overall length with 31.75 mm thread length
The 74.61 mm overall length and 31.75 mm thread length determine whether the tap reaches the required depth in your workpiece. Verify these dimensions against your hole depth and fixture clearance before ordering.
Highlights
- M8x1.25 metric coarse thread cuts clean internal threads
- Plug chamfer starts easily in through-holes for smooth tapping
- Four straight flutes clear chips efficiently during hand operation
- High-speed steel construction resists wear for longer tool life
- 61 mm overall length with 31.75 mm thread reach for standard depths
Specifications
| Brand | Helicoil |
|---|---|
| Type | Hole, Drill, Bore & Wire Gauges |
Questions about this item
How much torque or heat builds up when running the M8×1.25 tap continuously through steel?
The tap is uncoated high-speed steel with a 31.75 mm thread length and four straight flutes; cutting fluid and proper speed keep heat low during extended use.
What holder or wrench does the 2087-8 tap need to operate?
It has a standard metric shank for an M8 tap wrench or T-handle; no proprietary driver is required.
Will this D9-limit plug tap cut threads that accept standard M8×1.25 bolts from older toolboxes?
Yes, the D9 limit produces a standard 6H-class internal thread compatible with existing metric coarse fasteners.
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