&K SRETTES TUN TLOBUW - Type "W" (W-Ring) (Only UW-61ERK series has a single ring type)6SH 6SH (pistol grip for 6mm bolt*) 6SSH (straight handle) 6CSH (angle head)6AS (45 degree angle head)ST (for stud bolt)P (pistol grip only for UW-140・220・381 series)Type "P" (Pin)O-RingSnap RingSpringO-RingPinL L (long anvil) R (rear exhaust) O-RingSnap RingRetaining PinSpringO-RingPinK (light weight)DK (driver type anvil・light weight)Type "O" (O-Ring) TORQUE CHARTSnap RingRetaining PinTorque1SO-RingSpringO-RingPin6bar5bar4barSecond5SPOWER TOOLS GENERAL CATALOGPOWER TOOLS GENERAL CATALOGT = k • D • N Torque = Coefficient of friction × Nominal Diameter × Clamp Force (Tension) M3M41.4M52.9M64.9M812.0M1023.7M1241.3M1465.7M16102.5M18141.0M20199.9M22272.0M24345.7M27505.6M30686.7M33934.4The torque values listed are based on the clamp force (tension) applied to hexagon metric course thread bolt and coefficient of friction 0.2 (guidance only). Select the best tool for your application. 4040Property Class4.8NominalDiameterTorque (Nm)0.6Proof Load Hammer CageHammerAnvil27201.8334044003.6540062306.176401140014.8139001800029.2220002610051.0320003560081.24370048700126.65970059500174.27300076000247.09310093900336.0115000109000427.0134000142000624.6174000174000848.22130002150001154.32640005.8Torque (Nm)0.8Proof Load (N)1560(N)1910Hammer CageHammerAnvilHammer Cam2.038602.74.162505.57.088409.316.91610022.533.42550044.658.33710077.792.750600123.7144.769100192.9199.184500273.7282.2108000388.1384.0133000528.0488.0155000671.0713.8202000981.5969.42470001332.91319.23050001813.86.8Torque (Nm)0.9Proof Load Torque (Nm)1.2(N)22108.810.9Proof Load Torque (Nm)1.7Proof Load (N)2920(N)418051004.0729082308.0118001160013.6167002120033.0304003370065.44810048900114.17000066700181.69550091000283.4130000115000389.8159000147000552.7203000182000751.9252000212000955.72930002750001397.93810003370001898.44660004160002583.4576000*Exception: UW-140 series =14mm bolt, UW-220 series =22mm, UW-381 series=38mm, UW-401 series=40mm and UW-550 = 55 mm4.685209.41380015.91950038.73550076.656300133.581800212.5112000331.6152000456.2186000646.8238000879.92940001118.33420001635.94450002221.65440003023.167300012.9Torque (Nm)2.0Proof Load (N)4880Optimal Torque of BoltThe optimal torque of bolt is based on the clamp force achieved. The clamp force applied to bolt should not exceed 70% of the proof load of bolt and the optimal torque applied to bolt should be as much as 60% of the proof load. See the following equation to calculate the optimal torque. Model name of Impact WrenchesExampleSocket Retaining MethodsPlease specify the type of Anvil when ordering.Double-Hammer mechanismPowerful & fast assembly for highest productivity with well-balanced hammer mechanism and less torque reaction to operator. Recommended for Retaining Pingeneral high-volume assembly such as motor vehicles, appliances, machinery and so forth.Swing-Hammer mechanismPowerful & durable impacting mechanism with one piece Hammer-Hammer pin. Recommended to steel erection, refineries, mines, heavy motor vehicle industries and etc.(UW-140P, 220P, 251P, and 381 series)TORQUE CHARTTo avoid excess wear of the parts,the tightening time is recommended not to exceed 5 seconds.IMPACT WRENCHES
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