# Which Vise Has The Best Jaws? **URL:** \ **Category:** Vises\ **Created:** [October 7, 2025, 10:03pm UTC](https://fireball.discourse.group/t/which-vise-has-the-best-jaws/3990 "2025-10-07T22:03:46Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![Fireball-Tool](https://yyz2.discourse-cdn.com/flex036/user_avatar/fireball.discourse.group/fireball-tool/32/4077_2.png) [@Fireball-Tool](https://fireball.discourse.group/u/Fireball-Tool)\ **Post date:** [October 7, 2025, 10:03pm UTC](https://fireball.discourse.group/t/which-vise-has-the-best-jaws/3990/1 "2025-10-07T22:03:46Z")
Today, we’re continuing our head-to-head engineering comparison against the Fireball 510 Hardtail. We’re diving into the jaws to see how the Fireball 510 stacks up against the Record No. 6. ![Fireball Tool 510 Hardtail Vise Now On Top Of Steel Table](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/a/a0fbfa4f90bd507bf27cea4ae7b2e0f85b4eca89.jpeg) ![Record No. 6 Vise Being Pulled Next To The Fireball 510 Vise](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/7/736a7ecb710b6142c562e3bdb4010d5b4d6db983.jpeg) First off, the Record jaws have some issues. Phillips screws? Not ideal. The jaws themselves are basically just 1 x 1/2” flat bar, which can snap under heavy hammering. Inside corners create stress points, and the small screws with tiny shelves just aren’t up to the task. ![Phillips Screw To Losen The Jaws Off The Record No.6](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/1/118dfa402d72362991b5043dc948b2690ea57402.jpeg) ![Trying To Loosen The Jaws From The Record No.6 Vise](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/b/b85225e327125e5e284abf71420341e61bffd633.jpeg) ![Jaws Out Of The Record No.6 Vise](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/a/ab6a48273c32a60b389005238aab4218db6a309c.jpeg) ![High Stress Load In the Lower Corner Of The Record No.6 Vise](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/8/879e7ad3332232e549afd6063e32536708cd3ca7.jpeg) ![A Vise Cracking Once It Has been Hammered Down Breaking The Jaws Underneath](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/2/25b7389c9a717b9c573012be3df505a3a3c2992f.jpeg) The Fireball 510 Hardtail vise jaws have hex fasteners and are easy to loosen up. No problem. ![Fireball Tool's Dual Hex Key Holder](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/9/9419ef95512e6ca319a89be92be0174e270d810e.jpeg) ![Loosening The Jaws Off The Fireball Hardtail Vise](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/9/907b720a261bfb529a7fca4d9a1512151d41793a.jpeg) ![Taking Out The Bolt From The Fireball Hardtail Vise Jaws](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/a/a9ca96031a0e8f8457cb3b49b0eb7501f098693a.jpeg) ![Fireball Hardtail Jaws](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/8/8c6658f1802a9181b5e95396f4002f4721069fb6.jpeg) Now, let’s compare the construction Record No. 6: Thin jaws, small 5/16” fasteners, stress-prone design. ![Record No.6 Jaws Next To The Fireball Hardtail Jaws](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/2/251f1873231ae4d5beee63bf4cba413c81200bc8.jpeg) ![Fireball 1:2" Fasteners To The Record No.6 Fastener](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/8/86df398d2ee0c1554fd75101103e9fb3182f3517.jpeg) Fireball 510 Hardtail: Over an inch thick with half-inch bolts, solid and durable. The jaws hook onto the back of the casting, transferring load evenly, perfect for tapping and heavy clamping. And the corner stress point has more material to handle the load. ![Fireball 510 Hardtail Vise Screws](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/e/e2ef241f577254eeae7cbae89510aa101ddf114f.jpeg) ![Fireball Hardtail Knurled Jaws](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/e/efcc0bf5c7e919cc63c6a0ce130000756e1e3996.jpeg) ![Fireball Hardtail Jaws Have A Point To Sit Flush With The Vise](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/0/01c964555c12f4658bdcb1c269d075c2b4abc9af.jpeg) ![Fireball Hardtail Vise Has Machinced Grooves For the Jaws To Sit On](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/3/391466ae6cf950d757bfef49cb1938545a2e5e09.jpeg) ![Inside Corner Stress Load Transfers Into More Material Instead For The Fireball Hardtail](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/5/5de78400e941b2218d5f2b371fc803e0b64c419a.jpeg) ![Fireball Hardtail Vise Jaws Sit Perfectly On The Vise](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/8/8deb1dc870a2517b636f25bfa4083389817ceaf5.jpeg) ![Record No.6 Vise Jaws Couldn't](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/3/37af815a1ad04d4384938f993983f6bf3f119fc3.jpeg) Another advantage? Fireball offers a variety of jaw options and full support. My favorites: Soft jaws, protect threads on small screws, nuts, and bolts; can be resurfaced or filed flat. ![Options For Aluminum Jaws](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/0/07c41fb1781986b08bd725e8afe03f1b3b41f806.jpeg) V-groove jaws, ideal for holding tubing. ![Options For V Jaws For Pipes](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/5/55b9eb0de4e265b3ef187afedcb0aa228e17b0aa.jpeg) Smooth, hardened jaws for precise milling tasks. ![Options For Smooth Hardened Jaws](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/5/519c5123316a8459404731ef114bc8092487a0e7.jpeg) Offset jaws, allow work on the side of the vise with extra overhang. ![Options For Offest Jaws](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/f/f9d22863cd55dc96cbbf2355ccd1da30905be677.jpeg) ![Offset Jaws Being Used](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/5/5ab8be60fddffb756d41f6bb9eaeb161d78748ec.jpeg) Basically, the Fireball 510 offers strength, flexibility, and customization that the Record can’t match. ![Fireball Tool 510 Hardtail Vise Now On Top Of Steel Table](https://canada1.discourse-cdn.com/flex036/uploads/fireball/original/2X/a/a0fbfa4f90bd507bf27cea4ae7b2e0f85b4eca89.jpeg)