What is the thread? 6-32? 8-32? -- Will
On Oct 26, 2018 8:44 PM, "Bob Rosenbloom via cctalk" <[email protected]> wrote: > On 10/26/2018 7:41 PM, Bob Rosenbloom via cctalk wrote: > >> On 10/26/2018 7:19 PM, Steve Malikoff via cctalk wrote: >> >>> William said >>> >>>> One the original PDP-8 ("Straight 8"), the front panel has two aluminum >>>> strips on the sides, one on the left and one on the right. Each should >>>> have >>>> a pair of flathead countersunk screws, likwly Phillips head. >>>> >>>> Can someone tell me the exact specs, basically thread, length, head, and >>>> material of the screws? >>>> >>> >>> I have no idea what the straight eight screws are, but for comparison >>> the sort of screws in >>> the PDP-11/05 are things like #6-32 x 1/2 phillips pan head, #10-32 x >>> 5/16 phillips head truss, >>> #8-32 x 3/8 phillips pan head nyloc, #2-56 x 1/2 phillips pan head, >>> #4-40 x 3/8 phillips head >>> flat. And so on it goes. >>> >>> I read somewhere DEC used a lot of stainless screws but that may not >>> apply to all of them. >>> Certainly the cheese head screws that the 11/15's 10-1/2" chassis pivots >>> on are stainless, I >>> checked that for curiosity's sake when I machined some special adapter >>> washers to use with >>> modern server slides. >>> >>> At any rate, you have that wondrous (but US only) fastener supplier's >>> website to help you out. >>> >>> Steve. >>> >> >> I have four straight-8 panels. All have flat head, stainless (at least >> non-magnetic) screws. Three have Philips head screws >> and one has slotted head screws. All are 0.38" total length with about >> 0.28" thread length. Looks to be an 82 degree >> countersink. >> >> Bob >> >> I just noticed the three Philips head panels have the plastic front, my > only glass front has the slotted screws. > > Bob > > -- > Vintage computers and electronics > www.dvq.com > www.tekmuseum.com > www.decmuseum.org > >
