Tightening Torques For Studs

TIGHTENING TORQUES FOR STUDS

METRIC ISO THREAD : DIN 3852, Part 1
BSP THREAD : DIN 3852, Part 2
MALE STUD THREAD BSP RTT IN (NM)
G 1/8 25
G 1/4 40
G 3/8 95
G 1/2 130
G 3/4 250
G 1 400
G 1-1/4 600
G 1-1/2 800
MALE STUD THREAD METRIC RTT IN (NM)
M10 x 1 25
M12 x 1.5 30
M14 x 1.5 50
M16 x 1.5 60
M18 x 1.5 60
M20 x 1.5 140
M22 x 1.5 140
M26 x 1.5 220
M27 x 2 250
M33 x 2 400
M42 x 2 600
M48 x 2 800

MALE STUD THREAD BSP MAX. PRESSURE RTT IN (NM)
G 1/8 PN 400 15
G 1/4 33
G 3/8 70
G 1/2 90
G 3/4 150
G 1 220
G 1-1/4 PN 250 500
G 1-1/2 500
G 1-1/4 PN 400 600
G 1-1/2 800
MALE STUD THREAD METRIC MAX. PRESSURE RTT IN (NM)
M10 x 1 PN 400 13
M12 x 1.5 30
M14 x 1.5 40
M16 x 1.5 60
M18 x 1.5 70
M20 x 1.5 90
M22 x 1.5 100
M26 x 1.5 120
M27 x 2 150
M33 x 2 250
M42 x 2 PN 250 400
M48 x 2 400
M42 x 2 PN 400 400
M48 x 2 700