Feb 12, 2019 Just FYI, tungsten carbide dust is incredibly toxic if inhaled. Look up the health risks and make informed decisions. View Message

Jan 6, 2019 I've run a couple clinics on re-bolting techniques and best practices and in the slide deck I cover PPE considerations. I've also written a short primer that might be of intere… View Message

Jan 6, 2019 To build on this conversation, the problem is that silica can't be broken down by the body. The form as encountered in rock dust is a crystaline structure that is effectively a… View Message

Nov 3, 2018 That's what I would figure, I've never heard of roadside crags having bolt failures related to SCC, just an interesting point in the DAV release that made my eyebrow raise. Tho… View Message

Nov 2, 2018 Jim,The DAV posting explicitly calls out busy roads as an influencer, but my question is does anybody know how much of an influencer? Or more pointedly at what proximity to a r… View Message

Oct 31, 2018 Super magical, absolutely not. Higher quality, likely. Better than any quality German bit, unlikely.http://team-tough.com/product/10mm-sds-drill-bit/ $8.25 for a 10mm bit… View Message