Description
Shipyards in Hai Phong, Quang Ninh and Khanh Hoa build bulk carriers, tugs and offshore vessels for owners abroad. On those hulls, deck machinery, cranes and heavy foundations carry some of the largest bolts in the yard. The Snap-on TEC3005C Torqometer reads those joints on a dial up to 3,000 ft-lb and 400 kg·m. It also has a 1-1/2-inch square drive and comes with a certificate of calibration.
Catalog row behind the TEC3005C
| Item | TEC3005 (CAT1500i p.335) |
|---|---|
| Square drive | 1-1/2 in |
| Metric scale / steps | 400 kg·m / 5 kg·m |
| U.S. scale / steps | 3,000 ft-lb / 50 ft-lb |
| Width / head depth | 5-1/2 in / 2-13/16 in |
| Grade | Standard 2% accuracy |
Snap-on lists this size in its U.S./Metric table and notes that certificate versions are available. Thus the C at the end of TEC3005C marks the certified form.
Shipyard joints for the Snap-on TEC3005C Torqometer
- Windlass and mooring winch foundation bolts.
- Deck crane pedestal bolts, where the crane maker gives a torque.
- Steering gear and heavy pump base bolts.
- Large flange connections on cargo and ballast systems.
Class rules and maker manuals decide the tightening method for each joint. So check that the procedure gives a torque value before you plan the TEC3005C for it.
kg·m on the dial, N·m on the drawing
The metric side of the TEC3005C reads kilogram-force meters, not newton meters. European and Korean drawings often give N·m, so convert first. For example, divide the N·m value by 9.807 to get kg·m. Then write the converted target on the job card, so the fitter reads one number only.
The 2% band on a 3,000 ft-lb dial
Snap-on’s Standard grade keeps the reading within ±2% from 20% of full scale to full scale. On the TEC3005C, that band starts at 600 ft-lb, or 80 kg·m. As a result, mid-size deck bolts need a smaller wrench from the same family.
Check the needle layout and kit
In fact, Snap-on sells this size as a Basic TEC3005, a Follow-up TEC3005FU and a Signal TEC3005L. Before you order, confirm with Lost in HCM which dial layout this unit carries. Also ask what handle and case come with it, because a wrench this size needs planning on deck.
Quote the Snap-on TEC3005C Torqometer
Lost in HCM supplies this wrench, and SMK Vietnam lists it for shipyards and heavy fabricators. For a hull or block schedule, request a quote from Lost in HCM. For lighter sizes, see the torque wrenches category, or contact SMK Vietnam about a project.
Shipyard FAQ for the TEC3005C
What is 400 kg·m in newton meters?
About 3,923 N·m, since 1 kg·m equals 9.807 N·m. The dial itself shows kg·m and ft-lb.
Which needle layout does the TEC3005C have?
Snap-on offers this size as Basic, Follow-up and Signal models. Confirm the layout of this unit with Lost in HCM.
Does it fit 3/4 or 1 inch sockets?
No. The drive is 1-1/2 inch, so plan matching 1-1/2 inch drive sockets for the job.
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