Original SANY Bolt Hexagon 61000154 Construction Machinery Parts

The genuine SANY parts reference 61000154 is the Bolt, Hexagon, a standard high-strength fastener used throughout SANY heavy machinery for general assembly and structural connections. The 61000154 hexagon bolt features a full-thread shank and a standard hex head, providing reliable clamping force for non-critical and semi-critical joints.

Manufactured from medium-carbon steel (grade 8.8) with a zinc-plated finish, this bolt offers good tensile strength and corrosion resistance for most applications. Each 61000154 unit is 100% inspected for thread conformity, head dimensions, and hardness, ensuring consistent quality in SRT dump trucks, SY excavators, SW loaders, and motor graders.

Bolt, Hexagon

Болт с шестигранной головкой

Perno hexagonal

Material and Design of Bolt, Hexagon 61000154

The hexagon bolt 61000154 is manufactured from medium-carbon steel (C35E or 1035 equivalent), quenched and tempered to property class 8.8 per ISO 898-1. Minimum tensile strength is 800 MPa, yield strength 640 MPa, with hardness 22-32 HRC. The bolt features a full thread (from near the head to the end), allowing adjustment of clamping length without spacers.

The hex head of 61000154 is cold-formed and has a standard height (0.7 x nominal diameter) and width across flats (1.5 x nominal diameter). The thread is rolled (not cut) to improve fatigue strength. Thread tolerance is 6g. A chamfered end point makes starting the nut easier. No flange or washer face is present – the bolt is designed to be used with a separate washer if needed.

Surface finish is electroplated zinc with a clear trivalent chromate passivation. Coating thickness 5-8 µm, providing 72 hours of neutral salt spray resistance (ASTM B117) before white rust appears. The coating includes a thin oil film to lubricate threads and prevent galling. Each 61000154 bolt is batch-coded on the head with the strength grade “8.8”.

All 61000154 bolts are 100% inspected: thread go/no-go, head height, across-flats dimension, and hardness. A sample from each lot is proof load tested (e.g., 33.5 kN for M8) and must show no permanent set. Magnetic particle inspection detects surface cracks. Full traceability is maintained from raw material to final packaging.

Typical Applications of Bolt 61000154 in SANY Machinery

The hexagon bolt 61000154 is used for general fastening where high strength (class 10.9) is not required. Typical applications include attaching sheet metal covers, guards, steps, mirrors, minor brackets, and hydraulic line clamps. It is also used for mounting electrical components and non-structural panels on SRT dump trucks and SY excavators.

On SANY engines (D07/D09/D12 series), 61000154 bolts secure the intake manifold, thermostat housing, and accessory mounts (alternator, compressor). It is also found on water pump covers and oil filler necks. For chassis applications, these bolts attach mud flaps, fuel tank straps, and fender supports.

While 61000154 is not suitable for safety-critical or high-vibration joints (use flange bolts or higher grade), it performs reliably for medium-duty fastening. Always refer to the SANY parts catalog for the correct bolt specification. Do not substitute with a lower grade (4.8) or different thread pitch.

Compatible SANY Models & Interchange Information

The hexagon bolt 61000154 is used across the SANY heavy equipment range: SRT45, SRT55, SRT95, SRT115 dump trucks; SY215 to SY500H excavators; SW305, SW405, SW465 wheel loaders; SMG200/220 graders; and STC crawler cranes. It also appears on SANY concrete pump trucks, reach stackers, and heavy forklifts.

Common thread sizes for 61000154 include M6x1.0, M8x1.25, M10x1.5, M12x1.75, and M14x2.0, with lengths from 16 mm to 100 mm. The part number as listed represents a specific length and thread configuration – always measure the original bolt or consult the SANY parts catalog. For metric applications, this bolt conforms to ISO 4017 (hex head full thread).

For fleet maintenance, standardize on genuine 61000154 bolts. Aftermarket bolts may use lower-grade steel or have inconsistent head dimensions, leading to socket fit issues or premature thread stripping. Genuine SANY bolts guarantee the correct property class and zinc plating thickness for the expected service environment.

Technical Specifications – Hexagon Bolt 61000154

Proper Installation of Hexagon Bolt 61000154

Before installing the bolt 61000154, clean the threaded hole and remove any old threadlocker or debris. Do not use damaged bolts with crossed threads or deformed heads. Apply a drop of medium-strength threadlocker (e.g., Loctite 243) if the joint is subject to vibration; otherwise, no lubricant is needed.

Use a standard hex socket or combination wrench that fits snugly on the bolt head. Tighten to the torque specified in the SANY workshop manual. Typical torque for grade 8.8 bolts: M6: 10 Nm, M8: 24 Nm, M10: 48 Nm, M12: 85 Nm. Do not exceed the recommended torque, as the bolt may yield or the threads strip.

For joints that require a flat washer, use a hardened steel washer (grade 300 HV minimum). The 61000154 hex bolt does not have an integrated flange; a washer distributes load and protects the clamped surface. Re-torque after 100 operating hours for initial run-in, especially on engine accessories.

Store genuine 61000154 bolts in a dry environment. The zinc coating can corrode if exposed to high humidity or salt air. If a bolt shows any red rust, do not use it. Always use new bolts for critical applications; for general fastening, bolts may be reused if they are not stretched or corroded.

Symptoms of a Damaged or Incorrect Bolt 61000154

A loose 61000154 bolt will cause rattling or clicking from the joint, visible gaps between flanges, or fluid leaks if the joint is gasketed. On engine covers, a loose bolt may allow oil seepage. On panel attachments, loose bolts can cause vibration damage. Re-torque to specification; if the bolt continues to loosen, replace it and use threadlocker.

Over-torqued bolts may show thread necking (reduced diameter under the head) or a twisted appearance. A bolt that has been stretched past yield will have reduced clamp load and may snap under normal service. If you feel the torque wrench “spinning” without increasing torque, stop and replace the bolt. Never reuse a bolt that has been over-torqued.

Corrosion (red rust) on the bolt shank or under the head indicates failure of the zinc plating. This weakens the cross-section and can cause seizure in the threaded hole. Replace all corroded bolts on that joint. Inspect the tapped hole for rust and clean with a tap before installing new 61000154 bolts.

Quality Assurance & Full Traceability for 61000154

Every hexagon bolt 61000154 is manufactured in an IATF 16949 certified facility under SANY’s quality management system. Production steps include wire rod analysis, cold heading, thread rolling, heat treatment, and electroplating. In-process checks monitor hardness, case depth (if induction hardened), and plating thickness.

Final inspection includes 100% optical sorting for head geometry, thread presence, and overall length. A sample from each batch (5000 pieces) is proof load tested to 33.5 kN (M8 example) with no permanent set. Plating thickness is verified using X-ray fluorescence. A batch code on the packaging provides traceability to the material lot, heat treat batch, and plating line.

For bulk orders, SANY supplies a Certificate of Conformance (CoC) certifying that all 61000154 bolts meet ISO 898-1 class 8.8, ISO 4017 dimensions, and ISO 4042 plating requirements. Regular third-party audits ensure compliance with ISO 9001:2015 and IATF 16949. Trust genuine SANY fasteners for predictable performance.

Field Performance of Genuine SANY Hexagon Bolt

Field data from SANY equipment operating in North American construction sites and Southeast Asian quarries shows that genuine 61000154 bolts maintain their torque retention for over 5,000 hours in moderate-vibration environments. The zinc plating provides adequate corrosion protection for indoor and outdoor storage, with first signs of rust appearing after 2-3 years in humid conditions.

Aftermarket hex bolts often fail due to lower strength (grade 4.8 or unmarked), inconsistent thread fit, or thin zinc plating that rusts within months. Genuine 61000154 bolts exhibit consistent hardness and proof load, eliminating premature stripping. Fleet owners report that standardizing on genuine SANY bolts reduces fastener-related downtime by 50%.

To maximize service life, always use a torque wrench for final tightening. For joints subject to thermal cycling (e.g., exhaust manifold covers), re-torque after the first heat cycle. Replace any bolt that shows thread damage or rust. Following these practices ensures reliable assembly and long equipment life.