OEX ACX0027 Battery Terminal Bolt on Heavy Duty Negative 5Pce

OEX ACX0027 Heavy Duty Bolt-On Negative Battery Terminal 0–00 B&S 10mm Stud Standard Post Pack of 5

The OEX ACX0027 is a solid brass heavy-duty bolt-on negative battery terminal designed for 0 to 00 B&S heavy cable (50.3 to 65.8mm²) on standard European-style battery posts. A practical standout feature is the quick disconnect design the cable lug unbolts from the 10mm stud while the terminal body remains clamped to the battery post, allowing routine battery disconnection without disturbing the post fitting. Supplied in a pack of 5 with a one-year warranty.

Product overview

The ACX0027 uses a lug bolt-on termination rather than a saddle or crimp design. The cable end is fitted with a 10mm ring terminal, which then bolts to the stud on the terminal body. This separation between the terminal body and the cable connection is what enables the quick disconnect to isolate the battery, the ring terminal lug is simply unbolted from the stud while the terminal remains clamped to the post. There is no need to remove the full terminal from the battery post for routine disconnection, which is particularly useful for seasonal storage, caravans disconnected between trips and maintenance work.

At 0 to 00 B&S (50.3 to 65.8mm²), the ACX0027 targets the same heavy-cable applications as the ACX0021 and ACX0024 winches, large diesel starters, main battery bank leads and commercial vehicle electrical systems. Solid brass construction provides corrosion resistance and reliable high-current conductivity. The pack of 5 suits workshop, trade and fleet use.

Features and benefits

Quick disconnect without removing terminal from post: The lug bolt-on design allows the cable ring terminal to be unbolted from the 10mm stud while the terminal body stays clamped to the battery post, simplifying routine disconnection for maintenance, storage and anti-theft purposes without disturbing the post fitting.

Heavy duty lug bolt-on termination: Designed for 0 to 00 B&S cable fitted with a 10mm ring terminal, suited to high-current main lead applications including winches, large battery banks and commercial vehicle electrical systems.

Solid brass construction: Brass provides excellent corrosion resistance and electrical conductivity at high-current connections in automotive, marine and 4WD environments.

10mm stud: Accepts standard 10mm ring terminal lugs, widely available in the correct cable range.

Negative polarity: Designated for negative standard battery post installations only.

Suits standard European-style battery posts: Compatible with the larger standard battery post diameter used on the majority of Australian automotive, marine and caravan batteries.

Pack of 5: Five terminals per pack suits workshop, trade and fleet use.

One year warranty: Covered by a one-year OEX warranty.

Technical specs

Frequently asked questions

How does the quick disconnect work without removing the terminal from the post? The ACX0027 uses a lug bolt-on design the cable end is fitted with a 10mm ring terminal that bolts onto the stud on the terminal body. The terminal body itself remains clamped to the battery post. To disconnect the battery, unscrew the bolt holding the ring terminal to the stud. The terminal stays on the post, making reconnection quick and straightforward without the need to re-clamp the terminal each time.

What is the difference between a lug bolt-on and a saddle bolt-on terminal? A saddle bolt-on terminal such as the ACX0002 or ACX0024 clamps bare cable strands inside the terminal body using a saddle plate. A lug bolt-on terminal requires the cable end to be fitted with a ring terminal first, which then bolts to the stud on the terminal body. The lug bolt-on approach is what enables the quick disconnect the ring terminal unbolts from the stud without affecting the terminal's grip on the battery post.

What cable preparation is needed before using the ACX0027? The cable end must be fitted with a 10mm ring terminal, either by crimping or soldering with appropriate tooling. The ring terminal is then bolted to the 10mm stud on the ACX0027. Confirm that the ring terminal's cable barrel suits your 0 to 00 B&S cable diameter before purchasing.

Is a positive version of this terminal available? The ACX0027 is the negative terminal only. Contact us to confirm whether a matching positive heavy-duty bolt-on terminal is available from OEX for your application.

What applications suit 0–00 B&S heavy-duty terminals? 0 to 00 B&S cable covers the 50.3 to 65.8mm² range used in high-current applications including heavy winches, large diesel starters, main battery bank cables, commercial vehicle electrical systems and industrial equipment. See the ACX0021 and ACX0024 listings for additional context on 0 to 00 B&S terminal options.