The JET 70440 (JT9-70440) 40 in. Parallel Clamp delivers exact 90-degree parallel clamping force up to 1,000 lbs. across a 40 in. capacity. Engineered for professional cabinetmakers, woodworkers, and fabricators, this heavy-duty bar clamp provides consistent, distortion-free workholding across large panel glue-ups, frame assemblies, and casework.

Built around a rigid steel rail and durable jaw heads, the 70440 maintains strict perpendicular alignment across high cycle counts. Non-marring composite resin jaw faces protect finished wood surfaces while resisting glue adhesion for effortless cleanup. Featuring a 4-1/8 in. throat depth and a narrow side profile, the jaw design allows deep workpiece insertion as well as clamping along narrow edge profiles where standard clamp jaws cannot fit.

Setup efficiency is enhanced by the Slide-Glide trigger mechanism and the Precision-Rule measurement scale marked along the bar, enabling quick positioning and precise jaw presets. The ergonomic SUMOGRIP handle features a soft-grip overmold and an Acme-threaded spindle to apply smooth, high-torque pressure with reduced operator effort. For added versatility, the moveable rail stand and sliding jaw reverse easily to turn the tool into a heavy-duty spreader with up to 47 in. of outward reach.

Key Features

• 1,000 lbs. Clamping Force: Delivers heavy-duty, uniform clamping pressure to pull tight joints together without flexing.
• Exact 90-Degree Parallel Clamping: Keeps jaw faces perfectly square to prevent workpiece racking, bowing, or twisting during glue-ups.
• Ergonomic SUMOGRIP Handle: Soft-grip overmold paired with an Acme-threaded spindle maximizes clamping torque while reducing hand fatigue.
• Reversible Spreader Function: Removable sliding jaw reverses on the rail to provide up to 47 in. of spreading capacity.
• Precision-Rule Measurement System: Marked bar scale allows rapid, repeatable presetting of jaw openings.
• Slide-Glide Trigger: Enables fast, continuous sliding adjustments of the jaw along the bar.
• Glue-Resistant Composite Resin Jaw Faces: Protect wood surfaces from indentations and prevent cured glue from bonding to clamp heads.
• 4-1/8 in. Throat Depth with Side Profile: Provides deep clamping reach and allows narrow clamping on the side edge of the jaw.
• Moveable Rail Stand & End Stop: Keeps the bar elevated flat off workbench surfaces and acts as a preset stop.

Shipping: Beaver Industrial Supply offers free shipping on orders over $199, with the exception of Sawstop and Laguna, which require additional fees to be collected. Other exceptions apply as noted on product pages.

We reserve the right to determine the fastest and most cost-effective manner of transportation for all orders that qualify for free shipping. Our shipping carriers cannot deliver to PO box or U.S. military post office box addresses, such as APO and FPO, so we require a physical street address for delivery. We use USPS, which typically takes 2-8 days for delivery, depending on your location, for smaller items and UPS Ground for all other ground shipments under 150 pounds.

• Returns: We accept returns and exchanges for a fee up to 30 days in unopened, new, and unused condition in the original packaging. Exceptions apply.

Please note, NO REFUNDS will be given on any new, used, or damaged item if it is not returned in the original packaging, no matter what condition the packaging is in. If the item qualifies for free shipping, you will be charged the original shipping cost and are responsible for shipping the product back with the shipping carrier of your choice.

We must receive the item undamaged. We recommend you package it accordingly and purchase insurance for higher-priced items to ensure you receive the full refund minus any incurred fees as applicable. We reserve the right to refuse the return of accessories.

Because items are your responsibility until they reach us, we recommend that you send the parcel using a delivery service that insures you of the value of the goods. Return shipping is at the customer's cost. At Beaver Industrial Supply’s discretion, delivery charges can be refunded if the goods are defective.

Returns require a return authorization number. Please call customer service at 314-773-5999 or submit a customer service inquiry to start the exchange or return process and receive an authorization number.

Machinery too large for parcel shipment (palletized or crated) is only returnable if there is a material defect that cannot be resolved by replacing components.