Transmission Connectors - Reference Data (TK)

RecommendedTypes of Hardware and InstallationMounting

Bronze Connectors Bronze Connector (Clamping Hardware)

Hardware for Joining Like or UnlikeMetals

Silicon Bronze Bolt

Silicon Bronze Lockwasher Silicon Bronze Nut

Bronze To Copper Assemblies (Tongue Mounting Hardware)

KEY: Si-Br—Silicon Bronze GS—Galvanized Steel SS—Stainless Steel AL—Aluminum (1) denotes preferred hardware usage. NOTE: Contact sealant should be used between Aluminum to Aluminumand Aluminum to Copper connections. Aluminum Connectors

Bronze

Silicon Bronze Bolt

Silicon Bronze Flatwasher Silicon Bronze Lockwasher Silicon Bronze Nut

Copper

RecommendedTorqueValues for Bolted Connectors

Aluminum Connector (Clamping Hardware)

2024-T4, 2014-T4 or equal, with #205 Alumilite Finish Aluminum-Bolt 7075-T6 Aluminum Lockwasher, Etch Finish 6061-T6 Plain Aluminum Nut, Wax Finish

T ightening Force Applied to Hardware: Following are ANDERSON’S recommended torque values applying to all clamping hardware used in connectors and fittings. NOTE: Care should be taken to prevent sealant from being applied to hardware since torque values will be affected if the hardware becomes lubricated with sealant.

Aluminum To Aluminum Assemblies (Tongue Mounting Hardware As Assembled At Factory)

2024-T4, 2014-T4 or equal, no-oxide coated Aluminum- Bolt 7075-T6 Aluminum Flatwasher

RecommendedTorque Non-Lubricated Steel &SiliconBronzeHardware lb. inches

RecommendedTorque LubricatedHardware &AluminumHardware lb. inches*

Bolt Dia.

7075-T6 Aluminum Lockwasher, Etch Finish 6061-T6 Plain Aluminum Nut, Wax Finish

180 240 480 660 840

120 168 300 480 720

5/16” 3/8” 1/2” 5/8” 3/4”

Aluminum To Copper Assemblies (Tongue Mounting Hardware)

Aluminum

*Reduced torque limits apply when replacing aluminum clamping hard- ware with steel in bolted aluminum connectors.

Galvanized Steel Bolt Galvanized Steel Flatwasher

K 4

Stainless Steel Belleville Washer Galvanized Steel Nut

Copper

September 2017