---
title: "JLT Clamp Arms 40″ & 52″ Capacity (NEW 812B Series!)"
description: "You have 2 choices for mounting options.. The clamps ship with the mounting option you choose:  (C) Clamp Carrier  (R) Rack  Features:  Clamping Capacity Options: 40″ and 52″ clamp opening.  Clamp Jaw Options: 2.5″, 3.5″  Also Special Clamps and Custom Sizes Available upon Request."
url: https://360degreemachinery.com/product/jlt-clamp-arms-40-52-capacity/
date: 2020-06-29
modified: 2026-01-30
author: "BRYAN FREESE"
image: https://360degreemachinery.com/wp-content/uploads/2020/06/jlt-clamp-arms-40-52-capacity-7.jpg
type: product
lang: en
---

# JLT Clamp Arms 40″ & 52″ Capacity (NEW 812B Series!)

| # Meet the #812B Series Clamp

# The Next Generation of JLT Clamping Power |
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| ![](https://ci3.googleusercontent.com/meips/ADKq_NZ8Xv3f258VS7El5-Nrn3maLXEsHeym_o7rrxoIGhIoJDF79f-SB_9jrQwjKZP2rCFGIokdNYglcD0Uwqu_VK8IYHBM65-6yg3THmdxbz4hWgJIyMx75lZZuQ6VYjzTthNcYKGKErCe8E7nkuEoLVgAiNWUFA=s0-d-e1-ft#https://files.constantcontact.com/8521e221501/89dc5d5c-1157-4ec1-8132-ca730bfdc630.png?rdr=true) |
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| We’re proud to introduce the new #812B Series Clamp, designed to replace our trusted #203/#302 Series Clamps with upgraded features and enhanced performance, all while maintaining the rugged reliability you’ve come to expect from JLT.
This new clamp represents over 114 years of clamping innovation, offering the same proven design with major improvements for modern woodworking needs.

![🔩](https://fonts.gstatic.com/s/e/notoemoji/16.0/1f529/72.png) What’s staying the same?

- Same durable, steel construction

- Guaranteed to never twist, bow, or bend

- Up to 3,000 lbs of clamping force

- Backed by a lifetime warranty on all welded components

- Patented equalizer design, toed-in jaws & wide body

![⚙️](https://fonts.gstatic.com/s/e/notoemoji/16.0/2699_fe0f/72.png) What’s new in the #812B Series?

- Regular and Heavy-Duty versions available

- New “Boxed” tubular frame for added strength

- ¼” thick, vertically oriented “serrated” drawbar

- New latch design for better drawbar engagement

- One-piece welded clamp screw/drawbar assembly

- Minimum clamp opening as small as 5”

Whether you’re upgrading your shop or outfitting a new line, the #812B Series is ready to deliver unmatched strength, stability, and efficiency. |
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