Sakai PC800 - Tightening Torque Chart

2-003
SPECIFICATIONS
3. TIGHTENING TORQUE CHART
N·m (lbf·ft)
Nominal
Dia.
Pitch
Strength Classification
6.8 8.8 10.9 12.9
Metric coarse screw
5 0.8 4.9 (3.6) 5.9 (4.4) 7.8 (5.8) 7.8 (5.8)
6 1.0 7.8 (5.8) 9.8 (7.2) 13 (9.6) 13 (9.6)
8 1.25 17 (13) 23 (17) 31 (23) 31 (23)
10 1.5 39 (29) 49 (36) 59 (44) 59 (44)
12 1.75 69 (51) 78 (58) 108 (80) 108 (80)
14 2.0 98 (72) 127 (94) 167 (123) 167 (123)
16 2.0 157 (116) 196 (145) 265 (195) 265 (195)
18 2.5 196 (145) 245 (181) 343 (253) 343 (253)
20 2.5 294 (217) 392 (289) 539 (398) 539 (398)
22 2.5 441 (325) 539 (398) 686 (506) 686 (506)
24 3.0 539 (398) 637 (470) 883 (651) 883 (651)
27 3.0 785 (579) 981 (724) 1324 (977) 1324 (977)
30 3.5 1079 (796) 1324 (977) 1765 (1302) 1765 (1302)
Metric fine screw
10 1.25 39 (29) 49 (36) 69 (51) 69 (51)
12 1.25 69 (51) 88 (65) 118 (87) 118 (87)
14 1.5 108 (80) 137 (101) 186 (137) 186 (137)
16 1.5 167 (123) 206 (152) 284 (209) 284 (209)
18 1.5 245 (181) 294 (217) 392 (289) 392 (289)
20 1.5 343 (253) 441 (325) 588 (434) 588 (434)
22 1.5 490 (361) 588 (434) 785 (579) 785 (579)
24 2.0 588 (434) 735 (542) 981 (724) 981 (724)
27 2.0 834 (615) 1030 (760) 1422 (1049) 1422 (1049)
30 2.0 1177 (868) 1422 (1049) 1961 (1446) 1961 (1446)