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Aluminum Shear Bolt Connector
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Shear Bolt Connector

BSM Series Aluminum Shear Bolt Connector

BSM Shear Bolt Connectors consist of a tin-plated aluminum alloy body, a shear bolt head and an insert, and are suitable for connecting small size conductors. The bolts are made of high-strength special aluminum alloy with double shear and hex head design, and are lubricated to ensure smooth installation. The head of the bolt automatically shears off when the set torque is reached, ensuring that it cannot be dismantled, thus increasing safety. The body of the lug is also made of tin-plated aluminum alloy with grooves on the inside of the conductor holes for improved contact stability.

Category:

Shear stud connectors are designed to optimize the connection between the conductor and the device. The shear-bolt mechanism ensures a stable and reliable fastening with higher installation efficiency and consistent shear torque compared to traditional crimping methods. The tube body is manufactured from a tin-plated aluminum alloy with a grooved inner wall design that helps enhance electrical and mechanical properties while reducing the need for manual handling.

The high-strength aluminum alloy is copper-plated and tin-plated to further enhance conductor suitability and durability.

Torque Bolts: Precision crafted through CNC machining, the installation process is simple and can be easily secured with a small number of hex bolts.

Component Description

Main body: made of high quality aluminum alloy, through forging process and tin-plating treatment, the thickness of plating is more than 7μm.
Torque bolt (shear bolt): CNC lathe processing, high precision.
Intermediate baffle plate: The products are divided into oil-blocking type and non-oil-blocking type, the oil-blocking type is equipped with baffle plate.
Crimp: Starting from the BSM-500/630 model, the connecting tube eliminates the crimp design.

Structural features

Wide applicability: Supports conductors in the range of 10mm² to 1000mm² and is suitable for a wide range of conductor types and materials;
Durable design: suitable for high voltage cable accessories up to 42kV;
Reliable connection: conductors are secured in the junction tube by means of pre-torqued screws to ensure firm contact;
Easy installation: compact design allows easy installation with a standard socket wrench;
Installation instructions: no special tools are required for installation, just an ordinary socket wrench. Each connector or cable lug comes with a detailed installation guide, and the double shear head bolt design ensures a secure and stable connection. In order to avoid conductor bending, it is recommended to use the matching support tool .

Shear Bolt Connector Parameter Table

Shear Bolt Connector Parameter Table
TYPE Wire cross
section mm²		 With central
barrier
(yes /no)		 Dimensio n(mm) Number of
Bolt		 Bol t head
specifications
L1 D2 D1 D2 AF(mm)
BSM-10/35 10-35 Yes 45 20 19 8.5 2 10
BSM-25/95 25-95 Yes 65 30 24 12.8 2 13
BSMU-25/95 25-95 no 65 24 12.8 2 13
BSM-35/150 35-150 Yes 80 35 28 15.8 2 17
BSMU-35/150 35-150 no 80 28 15.8 2 17
BSM-95/240 95-240 Yes 125 60 33 20 4 19
BSMU-95/240 95-240 no 125 33 20 4 19
BSM-95/240-34 95-240 Yes 125 60 34 22 4 19
BSM-120/300 120-300 Yes 140 65 37 24 4 22
BSMU-120/300 120-300 no 140 37 24 4 22
BSM-185/400 185-400 Yes 170 80 42 25.5 6 22
BSMU-185/400 185-400 no 170 42 25.5 6 22
BSM-500/630 500-630 Yes 200 95 50 33 6 27
BSMU-500/630 500-630 no 200 95 50 33 6 27
BSM-800/1000 800-1000 Yes 230 110 60 40.5 8 13
Shear Bolt Connector Parameter
TYPE Conductor cross-sectional
area mm?		 With central
barrier
(yes/no)		 Size(mm) Number of bolts Bolt head specification
AF(mm )
Main line Branch line    L D1 D2 D3 D4 Main line Branch
line		 Main line Branch
line
BSMB 25/95-95/240 95-240 25-95 Yes 125 24 33 33 20 2 1 19 13
BSMB 95/240-185/400 185-400 95-240 Yes 170 33 42 42 25.5 3 2 22 19
BSMB 185/400-500 500 185-400 Yes 190 42 25.5 46 30 3 3 27 22
BSMB 185/400-630 630 185-400 Yes 200 42 50 50 33 3 3 27 22
BSMB 500-800 800 500 Yes 180 46 56 56 36 4 3 13 13
BSMB 630-800 800 630 Yes 180 50 56 56 36 4 3 13 13
BSMB 630-1000 1000 630 Yes 180 50 60 60 40 4 3 13 13
BSMB 800-1000 1000 800 Yes 180 56 60 60 40 4 3 13 13
BSMB 95/240-34-120/300 120-300 95-240 Yes 140 34 22 37 24 2 2 22 19
BSMB 95/240-34-500 500 95-240 Yes 160 34 22 46 30 3 2 19 13

How To Cut Cables Correctly

When installing the splice connector, be sure to insert the wire completely into the tube hole: there is no gap between the cable  and the splice connector

installing splice connector

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