Click on the image to view the products slide show. Manufacturers can send information on new products to ENR_Products@mcgraw-hill.com.

ENR's weekly look at construction products and gadgets includes grooved pipe coupling, an abrasive cut-off machine and new John Deere engines. Click on the slide show for more details.  Manufacturers can send information on new products to ENR_Products@mcgraw-hill.com.

  ENR's weekly rundown of the latest construction products includes a luffing jib crane designed with long reaches in mind and a durable light tower able to withstand rough environments. Click the image for the full slide show. 

ENR's weekly rundown of the latest construction products includes a hammer drill bit for getting through rebar-reinforced concrete, cut-resistant work gloves and an electronic torque wrench. Click the image for the full slide show.

Auto-Leveling Survey Laser: Multiple Power Options Available Threaded-Rod Clamp system: For HVAC Installation Splicing Rebar With a Twist: No Torque Wrench or Epoxy Required Redesigned Rubber TRacks: New Lug Patterns Reduce Wear Slide Show Auto-Leveling Survey Laser: Multiple Power Options Available The Rl-H4C Auto-Leveling Laser has a working radius of 2,600 ft and can be used as a reference for machine-mounted receivers. The self-leveling motors in the laser are accurate to within 10 arc seconds during surveying applications. The laser is available in two versions, powered either by a rechargeable NiMH battery pack with 60 hours of use on a

ENR's weekly rundown of the latest construction products includes an upgraded power cutter that can be used effectively in both asphalt and pipe and a laser distance measure that doubles as an angle measure. Click the image below for the full slide show.

Products   06/01/2011 Tower Crane: Lifting for the City The Liebherr 85 EC-B 5 FR.tronic Flat-Top Crane has a maximum load capacity of 11,023 lb and can lift 2,866 lb at the jib end. It has a working maximum radius of 164 ft and is capable of lift heights of up to 853 ft. The “city crane” has a 10-ft by 10-ft base and features a versatile climbing-tower and pin system that allows it to be erected in an elevator shaft or other narrow space. Liebherr; 757-245-5251; www.liebherr.com Underground Cable Reel: Recycled Plastic Hendrix Wire & Cable is now offering a

Products   05/25/2011 Compact Angle Grinders: Multiple Options Milwaukee has introduced 18 small-angle grinders that are designed to accommodate grinding for long durations as well as tasks that demand high power. Each grinder features overload protection to preserve the motor and an electronic clutch to prevent bind up. Eight 4½-in., 11-amp grinders are designed for industrial, long-duration grinding. Ten 5-in. and 6-in. grinders with 13-amp motors are intended for work on tougher materials. Milwaukee Electric Tool Co.; 800-729-3877; www.milwaukeeelectric.com Cordless Impact Wrench: Lithium-Ion Battery Makita has added a ⅜-in. Impact Wrench to its 12-volt lithium-ion cordless tool lineup. The impact wrench

Products   05/18/2011 Gas-Powered Asphalt Router: Repairs Cracks The Cimline PCR-30 is a gas-powered asphalt router with a built-in anti-kickback system to prevent backward movement during use. It is powered by a 30-hp Kolher engine, and its two-piece roller drum is balanced on heavy-duty roller bearings. The PCR-30’s Cut Control option allows for the cut depth to be set and preserved even when moving between cracks. Cimline; 800-328-3874; www.cimline.com Pipe-Fusion Preparation: Remotely Operated Rack System The MegaMc PolyHorse is a pipe-handling system designed to speed installation of 20-in. to 40-in. polyethylene pipe. The powered pipe stands allow for a single operator

Tightening a structural-steel bolt, tiny spurts of orange silicone spread out from a washer beneath the nut. Satisfied, the ironworker moves on to the next bolt. There is nothing new about direct tension indicators (DTI), one of the methods recognized by the American Institute of Steel Construction for judging structural-steel bolt connections as well as turn-of-nut calibrated wrenches and twist-off bolts. Depressions on the DTI washer flatten when sufficient tension is reached on a bolt, and can be checked with a small feeler gauge. But eight years ago, Applied Bolting, Bellows Falls, Vt., added that telltale glimpse of orange. The