1/4" Aluminum standoff with 4-40 internal threads. hex, 1/4" width. Packaged with two 4-40 x 1/4" pan head machine screws for each standoff. Catalog number: 22111. Brand: Tinkering Supplies. Brand's Part Number: H02211-04Y.
1/2" Aluminum standoff with 4-40 internal threads. hex, 1/4" width. Packaged with two 4-40 x 1/4" pan head machine screws for each standoff. Catalog number: 22129. Brand: Tinkering Supplies. Brand's Part Number: H02212-04W.
3/4" Aluminum standoff with 4-40 internal threads. hex, 1/4" width. Packaged with two 4-40 x 3/8" pan head machine screws for each standoff. Catalog number: 22137. Brand: Tinkering Supplies. Brand's Part Number: H02213-04U.
1" Aluminum standoff with 4-40 internal threads. hex, 1/4" width. Packaged with two 4-40 x 1/2" pan head machine screws for each standoff. Catalog number: 22145. Brand: Tinkering Supplies. Brand's Part Number: H02214-04R.