Question 1

What is the diameter of the shaft that attaches to the saw?

Accepted Answer

We say it is 14.xx mm though customers have measured it at 14.89 mm, 14.8 mm and one at 15.05 mm so it might vary slightly. So it is over 14mm and under 16mm and close to 15mm.

Question 2

As advetised it only comes with one turn locking knob, i need another one. How do i contact the seleer?

Accepted Answer

It fits loose so I drilled and tapped a 1/4 inch 20 bolt in the bottom and it works fine

Question 3

Will these fit and work well on a 12inch dewalt compound slide miter saw???

Accepted Answer

We do not know. This is OEM for model 61970 Chicago Electric.  Can fit but not designed for models 61969 (see note below), 61971, 61972, 69684, 61776 (14.xxx mm outer diameter (OD) rod/bar) I don't have a gauge so can't give the exact OD but it is very close to 14.8 mm . Distance OC (on center) between the bar and the screw is about 2 3/8 inches.

This will fit the 12" Model 61969, although the arm doesn't extend out anywhere near as far as the original (it's pretty close to the fence). This also has a hollow tube whereas the original was a solid bar. This will fit some other fences such as 10" models.

Customer comments:
As measured using a HF digital caliper, the diameter of the clamp post I received measured 15.05 mm (about one mm wider than the post you measured) and the diameter of the post holes on my HF 98194 miter saw measured approximately 14.89 mm (plus, one side was actually smaller than the other). No problem. To widen the post holes, I cut a 2.5" x 3.5" rectangle from a broken, coarse grit, cloth-backed sanding belt. I rolled it s tightly as I could and clamped it in a medium-size pair of vise grips as shown in the photos. Using both up down and rotary motions it only took about 45 seconds to widen and vacuum each post hole so that the clamp fit perfectly. The finished diameter of the widened post holes is approximately 15.21 mm. Shaving just 2/10 of millimeter from each hole was no problem at all. Hope this helps someone. Thank you.

Here is another customer:
Harbor Freight Chicago Electric #61972 10” size. 
The shafts of the clamp you sent me and the one That came with my saw both measure 14.8 mm OD. The shaft on yours is 1” longer and the screwed rod is about 3/4” longer than the one that came on the 10” but I can’t see how that would ever be a problem. There is a 1/4” wide chamfer-type recess in the old shaft. Yours doesn't have that but still fits in the hole without it.

Manufacturer	Harbor Freight
Part Number	61970
Package Dimensions	12.7 x 10.16 x 5.08 cm; 226.8 g
Item model number	61970
Size	(14 mm OD)
Colour	Silver
Style	Classic
Material	Metal
Item Weight	227 g

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Wood Stock Clamp Screw Holder Chicago Electric Harbor Freight 12" & 10" MITER SAW OEM 61970, (May Work with 61969, 61971, 61972)

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