Landoll 2220 Series, Operator'S Manual

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2-2
LANDOLL CORPORATION
GENERAL TORQUE SPECIFICATIONS (REV. 4/97)
THIS CHART PRO VIDES TIGHT EN ING TORQUES FOR GEN ERAL PUR POSE AP PLI CA TIONS WHEN SPE CIAL TORQUES ARE NOT SPECI FIED
ON PROC ESS OR DRAW ING.
AS SEM BLY TORQUES AP PLY TO PLATED NUTS AND CAP SCREWS AS SEM BLED WITH OUT SUP PLE MEN TAL LU BRI CA TION (AS RE CEIVED
CON DI TION). THEY DO NOT AP PLY IF SPE CIAL GRAPH ITE MOLY- DISULFIDE OR OTHER EX TREME PRES SURE LU BRI CANTS ARE USED.
WHEN FAS TEN ERS ARE DRY (SOL VENT CLEANED), ADD 33% TO AS RE CEIVED CON DI TION TORQUE.
BOLT HEAD IDEN TI FI CA TION MARKS IN DI CATE GRADE AND MAY VARY FROM MANU FAC TURER TO MANU FAC TURER.
THICK NUTS MUST BE USED ON GRADE 8 CAP SCREWS.
USE VALUE IN [ ] IF US ING PRE VAIL ING TORQUE NUTS.
TORQUE IS SPECI FIED IN FOOT POUNDS
UNC
Size
SAE
Grade
2
SAE
Grade
5
SAE
Grade
8
UNF
Size
SAE
Grade
2
SAE
Grade
5
SAE
Grade
8
1/4-20 4 [5] 6 [7] 9 [11] 1/4-28 5 [6] 7 [9] 10 [12]
5/16- 18 8 [10] 13 [16] 18 [22] 5/16- 24 9 [11] 14 [17] 20 [25]
3/8-16 15 [19] 23 [29] 35 [43] 3/8-24 17 [21] 25 [31] 35 [44]
7/16- 14 24 [30] 35 [43] 55 [62] 7/16- 20 27 [34] 40 [50] 60 [75]
1/2-13 35 [43] 55 [62] 80 [100] 1/2-20 40 [50] 65 [81] 90 [112]
9/16- 12 55 [62] 80 [100] 110 [137] 9/16- 18 60 [75] 90 [112] 130 [162]
5/8-11 75 [94] 110 [137] 170 [212] 5/8-18 85 [106] 130 [162] 180 [225]
3/4-10 130 [162] 200 [250] 280 [350] 3/4-16 150 [188] 220 [275] 320 [400]
7/8-9 125 [156] 320 [400] 460 [575] 7/8-14 140 [175] 360 [450] 500 [625]
1-8 190 [237] 408 [506] 680 [850] 1-14 210 [263] 540 [675] 760 [950]
1-1/8-7 270 [337] 600 [750] 960 [1200] 1-1/8-12 300 [375] 660 [825] 1080 [1350]
1-1/4-7 380 [475] 840 [1050] 1426 [1782] 1-1/4-12 420 [525] 920 [1150] 1500 [1875]
1-3/8-6 490 [612] 110 [1375] 1780 [2225] 1-3/8-12 560 [700] 1260 [1575] 2010 [2512]
1/1- 2-6 650 [812] 1460 [1825] 2360 [2950] 1/1- 2- 12 730 [912] 1640 [2050] 2660 [3325]
METRIC
COARSE THREAD MET RIC CLASS 10.9 FAS TEN ERS AND CLASS 10.0 NUTS AND THROUGH HARD ENED FLAT WASH ERS, PHOS PHATE
COATED, ROCK WELL “C” 38- 45.
USE VALUE IN [ ] IF US ING PRE VAIL ING TORQUE NUTS.
Nominal
Thread
Diameter
mm
Standard Torque Nominal
Thread
Diameter
mm
Standard Torque
Newton-
Meters
Foot-
Pounds
Newton-
Meters
Foot-
Pounds
6 10 [14] 7 [10] 20 385 [450] 290 [335]
7 16 [22] 12 [16] 24 670 [775] 500 [625]
8 23 [32] 17 [24] 27 980 [1105] 730 [825]
10 46 [60] 34 [47] 30 1330 [1470] 990 [1090]
12 80 [101] 60 [75] 33 1790 [1950] 1340 [1450]
14 125 [155] 90 [115] 36 2225 [2515] 1730 [1870]
16 200 [240] 150 [180] 39 3010 [3210] 2240 [2380]
18 275 [330] 205 [245]
Table 2-1 General Torque Specifications