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Description
Wing Bolt Wrench - Set 14 piecesBeechcraft has been changing the hardware for the wing attach bolts and nuts. It used to be that all of the bolts had an internal wrenching hexagon socket head. This would require a tool like an "Allen Wrench" to hold for torquing. The new ones come with a twelve point external wrenching head. These require a tool that looks like a twelve point socket to engage. The older aircraft had an internal wrenching nut on the wing bolts. Approximately 1991
Beechcraft has been changing the hardware for the wing attach bolts and nuts. It used to be that all of the bolts had an internal wrenching hexagon socket head. This would require a tool like an "Allen Wrench" to hold for torquing. The new ones come with a twelve-point external wrenching head. These require a tool that looks like a twelve-point socket to engage.
The older aircraft had an internal wrenching nut on the wing bolts. Approximately 1991 they switched to a nut that is external wrenching and has twelve points. It is possible that some of the new hardware has been installed on the older airframes. For this reason, it is difficult to forecast which tools may be needed on a given plane without examining the hardware installed and any replacement nuts and bolts to be installed.
Recently our set of wrenches was expanded from a total of 13 to 14. The new wrench is a 1 and 5/16 wrench x 1/4 drive x 4'' CTR to CTR. This wrench is used to torque the hex nut while checking the "Drag" on the PLI washer. It is only used on 3rd generation King Air main spars.
One recent improvement to the set was to attach a disc with a half-inch square hole to the end of our offset style wrench (the one with two bends in the handle). This makes the wrench compatible with any standard half-inch drive tool for added leverage.
The 1 and 1/16 inch Socket Torque extender has been changed to a "Box End" style. This was required for fit issues on the Beechcraft Duke and the King Air 90 Series.
Wing Bolt Wrench - Set 14 pieces Part Number STS 1203
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