Service Manual User guide

General Information and Specifications
2.4
266, 307, 266 LoPro
2.2.2 ASTM Fastener Torque Chart (Metric)
VALUES FOR ZINC PLATED / YELLOW CHROMATE FASTENERS ONLY UNPLATED CAP SCREWS
SAE GRADE 5 BOLTS &
GRADE 2 NUTS
SAE GRADE 8 BOLTS & GRADE 8 NUTS
& SOCKET HEAD CAP SCREWS
UNBRAKO 1960 SERIES
SOCKET HEAD
SIZE
THDS.
PER
INCH
BOLT
DIA.
TENSILE
STRESS
AREA
CLAMP
LOAD
TORQUE
CLAMP
LOAD
TORQUE
CLAMP
LOAD
TORQUE
DRY OR
LOCTITE
263
LUB
LOCTITE
262
LOCTITE
242 OR
271
DRY OR
LOCTITE
263
LUB
LOCTITE
262
LOCTITE
242 OR
271
WITHOUT
LOC-WEL
PATCH
WITH
LOC-WEL
PATCH
IN SQ. IN. LB. N, m N, m N, m N, m LB. N, m N, m N, m N, m LB. N, m N, m IN SQ. IN. LB. N, m N, m N, m N, m LB. N, m N, m N, m N, m LB. N, m N, m
Note: These torque values do not apply to cadmium plated fasteners.