Achine screws with assembled washer or washers permanently attached under the head in both METRIC and INCH sizes. Square Cone washers which fill the need for a double SEMS, flat washer and split lock washer double SEMS, external tooth lock washer, internal tooth lock washer and split lock washer. Hard to find items our specialty. Shopping is easy and delivery is fast. Now is your chance! SEMS Screws in Metric Sizes. SEMS Screws in Inch Sizes.

Hard to find items our specialty. Shopping is easy and delivery is fast. Now is your chance! Click on the button below and give your name, address and phone number to get your paper catalog. TABLE OF METRIC TO DECIMAL CONVERSION. For a specific fastener item or Browse Store.

High Performance, Close Tolerance Screws. Six Lobe Screws, flat head, 100 degrees countersink screws. We are a stocking distributor and we have developed a complete family of these six lobe screws that meet the mechanical requirements of NAS 514 and NAS 517, but with the NAS 1800 six lobe drive. You can order these 100 degrees reduced flat head, six lobe screws and 100 degrees tension head, six lobe screws as needed online. Now is your chance! CLICK ON ANY PICTURE.

This blog used to be about urban planning and political stuff, now it is just a job board. Wednesday, January 22, 2014. Some unsolicited job hunting advice for urban planners.