Big Horn 19709B-5PK 5 Star Thru Knob 3/8 x 16 (5/PK)

The threads in these knobs seem to be the smoothest operating threads I've ever felt in a star style knob. Thread it on to the bolt/stud and spin it ONCE and it essentially threads itself all the way on to the bolt. Much smoother than the threads in a HiLift locking knob or any of the similar 3/8-16 knobs I've got. Smoother than a hex nut or wing nut. I use this gizmo as the "second" nut on a HiLift, axe/shovel, or other pioneer tool mount. One locking, one like this. Works great. Doesn't seize. Arizona UV doesn't even seem to degrade it as much as some plastics.Thanks - Lumpy

Secured a 1.25" modified steel square tube to my truck bed. Drilled another hole up by the tie-down hole above the wheelwell and inserted a bolt from the inside. Using this product and a couple washers I was able to secure my harbor freight floor jack to the bed wall right on top of the wheelwell. A mounting bracket is a couple hundred, my 10 dollar fix works well, giving me easy access and out of the way storage for my exhorbently overweight floor jack.

Theses are great for making jigs that are movable.

Bought these to make a custom mount for my traction/recovery boards on my truck topper. Since the boards won't be on there 24/7 I wanted something to make it easy to get them on and off when needed. These worked out perfect so far. They'll be tested more next week on a 6 day trip to Moab and will update this review if there's any issues with them falling off or coming loose.12/11/2020 UPDATE:I noticed on the Moab trip that these would come loose a little. Not to the point there was separation from the recovery boards, just that they were not as tight at the end of the day as they were in the morning. I fixed that by slipping on a lock washer between the recovery board and the knobs. Issue is fixed and they've yet to come loose again.

Hard to find product. Work as described. Using 4 knobs to hold a set of x-Bull traction boards to a Thule roof bar system on a Jeep with a custom bracket. 250 mile round trip including off-road abuse and they did not loosen at all. Good stuff.

Big Horn 19709B-5PK 5 Star Thru Knob 3/8 x 16I've used 10 of these knobs on various projects. They are outstanding. Well constructed, well designed with a brass threaded insert, and easy to grip for tightening.I also “converted” two Big Horn knobs to "clamping knobs" by screwing in 2" long 3/8" x 16 stainless steel socket head cap screws into the knob (and tightening with an Allen wrench), as shown in the Customer Image.

Built an art easel for my daughter-in-law and used these for the slides to adjust the tilt. Worked great and good quality.

I have used several others of this type. These are WAY better. Slightly larger, better impregnated threads, doesn't feel like it is going to break when tightening. I painted one red and use them for my batteries. Perfect thread insert because it slightly sticks out on the flat end...for better electrical contact.