• Product name: BT30/40/50 Stud Spanner
• Material: 42CrMo knurled processing, anti-slip design
• Applicable model: BT30/BT40/BT50
• Features: 42CrMo material, higher hardness, longer service life. 
• Wear resistant. Knurled treatment, non-slip design. 
• Threaded connection of the head handle, can be extended by the special wrench of the stud, convenient and labor saving. 
• The notch is processed by the machining center, with high precision, and is closely matched with the stud, and is not easy to slip. 
• Black surface treatment, not easy to rust.

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Model	D	L	Type
BT30	30	150	BT30
BT40	41	175	BT40
BT50	69	290	BT50

 

High quality 42CrMo material for higher hardness/tighter grip. The wrench is made of chromium molybdenum steel, which is not easy to deform. Black surface treatment, not easy to rust.

 

Card slot position finishing treatment/prevent contact wear/not easy to damage. Handlebar roller embossing design to prevent slipping.

 

Humanized design: prevent the falling off of the nail after disassembly. More convenient and fast. Threaded connection of the head handle, can be extended by the special wrench of the stud, convenient and labor saving

 

High quality quenching, high hardness and high seismic resistance. Excellent surface material, bright surface without burrs, wear resistance and fatigue resistance.

 

Specialized industrial processing, so that processing is no longer difficult. More efficient production Complete specifications/factory direct sales convenience Safety/quality assurance.