Aluminium peel rivets for fastening flat roofing insulation and membrane to fragile substrates, and drive rivets for fixing flashings and termination bars around the edge of a flat roof. right-hand cutting twist drill bit, type N, drill bit tip 136 degrees, split point manufactured to DIN 1412 C, diameter tolerance h 8.

The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. They mention that it serves them well for quite a while, is durable, and has long-lasting performance, even on hard steel. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too. HSS-G drill bits (10 pack) are suitable for drilling alloyed and non-alloyed steel up to a tensile strength of 900 N/mm², cast steel, cast iron, malleable cast iron, sintered iron, non-ferrous metals and hard plastics.Flatter twist angle creates smaller chippings, ideal for drilling harder steels ie: stainless steel. Precision engineered steel drill bits, with 5% cobalt shaft, for use on tough materials and hard steel, including stainless steel.

Brought to you by RS PRO, a range of jobber drill bits suitable for high-speed metal, wood and plastic drilling. I suspect the bolt concerned was unusually tough and the drill bit appears to be high quality - hence giving 4 stars - but I was a bit disappointed the cobalt drill bit didn't complete the job this time. This durable engineering quality drill will give a consistent rapid performance into all non-alloy materials. Precise response when positioning the bit due to its split point and 135° point angle as well as excellent dimensional accuracy also characterize this drill bit.

An acronym for High-speed steel, HSS is generally the go-to type of steel needed for drill bits due to their excellent heat resistance at high speeds. Rennie Tool Company Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Strong central core with tapered web that greatly reduces breakage and no walk tip for easy positioning on curved surfaces.