Product category:
Drilling, boring and reaming
News Release from: G and J Hall | Subject: BRADRAD High Speed Steel step drills
Edited by the Manufacturingtalk Editorial
Team on 25 February 2002
Step drill also deburrs hole in many
materials
HSS step drills achieve reliable and cost-effective results in a wide range of materials from plastics to stainless steel, and the radius joining each step deburrs the hole.
Whatever material you want to drill - from plastics to stainless steel - G and J Hall's range of BRADRAD HSS step drills achieve reliable and cost-effective results BRADRAD High Speed Steel step drills enable accurate well-finished holes to be drilled in a wide range of materials from plastics to stainless steel, and the radius joining each step deburrs the hole
This article was originally published on Manufacturingtalk on 11 Feb 2002 at 8.00am (UK)
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No pilot hole is required for any except the very largest tools, and the workpiece cannot "climb" the tool during drilling - eliminating the need for elaborate clamping.
"S" Type BRADRAD drills are used to machine a wide variety of materials, and for many different applications with high quality deburred holes being produced with a minimum of fuss using a bench drill or light pedestal drilling machine.
Special Application Bradrads are available to drill clearance holes for metric conduit fittings.
The BRADRAD SAWBORER has been successfully adopted for opening out the bores of circular saws and can be made to machine the toughest sawblade materials.
"PG" Type BRADRAD drills, used to drill the clearance holes for PG fittings, incorporate a robust centre-drill, which is held in place by a grub screw.
Specialist tools include the BRADRAD PIPETOOL which is designed on the same principles as the PG and can be supplied as a special to drill the clearance or tapping holes for BSP diameters.
BRADRAD products incorporate a round shank for smaller diameters, or a morse taper for larger diameters.
Up to 11 different diameters can be created from one tool.
The drills are easily reground by grinding the flute face.
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