Tandheugel met schuine vertanding
| Aantal tanden van het rondsel | = z1 |
| Aantal tanden van de heugel | = zc =  |
| Omtreks- of schijnbare modulus | = mt =  |
| Normaalmodulus | = mn = mt.cosβ =  |
| Omtrek- of schijnbare steek in mm | = pt = mt.p =  |
| Normaalsteek in mm | = pn = mn.p = pt.cosβ |
| Normaalbasissteek in mm | = pbn = pt.cosa.cosβ |
| Kophoogte in mm | = ha = m |
| Voethoogte in mm | = hf = 1,16m (a=14°30’) |
| = hf = 1,25m (a=20°) | |
Tandhoogte in mm |
= h = ha + hf = 2,16m of 2,25m |
| Tandbreedte in mm | = b = 10.mn |
| Velgdikte onder de tand in mm | = H = h(normal) |
| Lengte van de heugel in mm. | = Lc = zc.pt = zc.mt.p |
| Afstand as rondsel tot steeklijn van heugel in mm | = a =  |
| Afstand as rondsel tot rugvlak van heugel in mm | = A =  + hf + H = m.(1,16 +  )
+ H |
| = A = + hf + H = m.(1,25 + )
+ H |
|
| Schroefhoek op steekcilinder | = β = cosβ =  |