The 126A1 Wet Bolt Kit provides a complete spindle fastening solution for trailer hubs and axle assemblies. This assembly includes a precision-machined ¾”–16 × 3.5″ wet bolt, matching high-strength hex nut, grease zerk fitting for hub lubrication, and a stainless-steel cotter pin for positive locking. Ideal for maintaining properly greased wheel ends and ensuring safe, leak-free operation.
Features:
- Wet bolt design allows in-service greasing of wheel bearings via the zerk fitting
- ¾”–16 thread for heavy-duty axle applications
- Kit includes: bolt, hex nut, grease zerk fitting, and cotter pin
- Nut seats flush for spin-on grease caps or hub covers
- Protects bearings by enabling regular lubrication without disassembly
Specifications:
- Part Number: 126A1
- Bolt Thread: ¾”–16 UNC
- Bolt Length: 3.5″ (threaded shank length, under head)
- Material: Alloy steel bolt & nut; steel zerk; stainless cotter pin
- Finish: Zinc-plated bolt & nut; grease-resistant zerk coating
- Includes:
- (1) ¾”–16 × 3.5″ wet bolt with built-in grease channel
- (1) Matching hex nut (¾”–16)
- (1) Grease zerk fitting (straight, 1/8″ NPT)
- (1) Cotter pin (0.125″ × 2″)
Fitment & Applications:
- Fits ¾”–16 spindle nuts on many 3,500–7,000 lb trailer axles
- Commonly used with Dexter, Lippert, and industry-standard hubs
- Enables hassle-free bearing lubrication without hub removal
- Perfect for boat trailers, utility trailers, and equipment haulers
