BB4500 Line Boring Machine

The CLIMAX BB4500 Line Boring Machine delivers proven performance in a more compact, cost-effective package. Designed as an affordable alternative to the industry-leading BB5000, the BB4500 provides the same precision and reliability while offering enhanced mounting flexibility for machining in tight or restricted spaces.

With a wide selection of motor and boring bar options, the BB4500 scales to match your job requirements, delivering the power, accuracy, and versatility needed for on-site repair and machining. It’s an outstanding value for operators who demand professional results without sacrificing portability or performance.

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Specifications

SPECIFICATIONS	INCH	METRIC
Bar Diameter	1.75″ or optional 1.25″	44.5 mm or optional 31.8 mm
Boring Diameter	1.5 – 10″	38.1 – 254 mm
Max. Stroke	36″	914.4 mm
Torque at Bar	417 ft-lb (hydraulic)	565.4 N•m
Power Option	Electric, Pneumatic, Hydraulic	Electric, Pneumatic, Hydraulic

Product Advantages

Quick and Easy Setup

Modular components make setup quick and easy.

Fast and easy setup using high quality cast-iron set-up cones and spherical bearing mounts.

Typical set-up time for an experienced operator is 30 minutes or less.

Powerful

Over 100 ft lbs (135 N•m) of torque at the bar.

Specially-designed rotational drive unit provides a 4:1 worm gear reduction for increased torque at all speeds.

Compact

Extremely compact, and can be used easily in cramped, tight work spaces.

Compact design completes jobs where other machines won’t fit.

Affordable and Flexible

The CLIMAX BB4500 Portable Boring Machine is your “best-value” portable boring machine.

Through-bar design allows the rotational drive and feed unit to be mounted anywhere along the bar, even separate from one another.

CLIMAX-patented mounting components provide the flexibility to handle challenging boring jobs even when space is limited.

Versatile

Available with electric, hydraulic, or pneumatic motor options.

Reversible electric motor.

Fast, easy two-bolt change-out process to switch motors.

Available in a variety of bar lengths, from 4 to 20 feet (1219.2 to 6096 mm) Bars are straightened, and have ½ inch or 12 mm square-broached tooling holes.

Many accessories available, including small bore kit, facing and grooving head options, and bore measuring tool.

Quality Components

Keyed, chromed 1-¾ inch (44.5 mm) bar.

World’s best rotational drive and axial feed unit.

Patented mounting system.

High-quality components provide smooth, reliable operation to get the job done.