Tr36×6 thread: 36 × 6 mm

Threads › Tr36×6

Tr36×6 is a Trapezoidal (Tr) thread: 36 mm major diameter, 6 mm pitch, 30° form.

Standard	Trapezoidal (Tr)
Major diameter	36 mm
Pitch	6 mm
Thread angle	30°
Minor diameter, bolt	29.5 mm
Minor diameter, nut	30 mm
Tap drill	Not listed. Check your tap maker's chart.
Usual class	7e bolt, 7H nut

Minor diameters worked out from the basic profile: major Ø − pitch − 0.5 mm (bolt) and major Ø − pitch (nut).

Open Tr36×6 in Benchsmith Add to order list

Measure it

Bolt: Measure across the crests of the bolt with the caliper jaws. Worn bolts read 0.1 to 0.3 under.

Nut or tapped hole: Measure across the tops of the threads inside the nut or hole with the inside jaws. That is the minor Ø. Worn or oversize holes read a little over.

Close in size, won't mate

M36Ø36 mm, 4 mm pitch
M36×3Ø36 mm, 3 mm pitch
M36×2Ø36 mm, 2 mm pitch

One size up or down

Tr32×6Ø32 mm (down)
Tr40×7Ø40 mm (up)

Got a bolt and no idea what it is? Measure the outside Ø and type it into Benchsmith → Find → Thread.