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Steel
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Tools & Gear
- Screwdriver Bits
- Reamers
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Drills
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Masonry
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Specialist
- Centre Drills HSS
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Taps & Dies
- Chrome Alloy Button Dies and Die Nuts
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HSS Hand and Machine Taps
- HSS Tap BA
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- HSS Tap BSF Left Hand
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- HSS Tap BSPT Rc Series Pipe Taper)
- HSS Tap BSW
- HSS Tap BSW Left Hand
- HSS Tap Metric Coarse
- HSS Tap Metric Coarse Left Hand
- HSS Tap Metric Fine
- HSS Tap Metric Fine Left Hand
- HSS Tap NPSF (Dryseal Taper)
- HSS Tap NPT
- HSS Tap NPTF (Dryseal Taper)
- HSS Tap Oversize/Galvanising
- HSS Tap UNC
- HSS Tap UNC Left Hand
- HSS Tap UNEF
- HSS Tap UNF
- HSS Tap UNF Left Hand
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HSS Hand and Machine Taps
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HSS-Co5 Spiral Point (Gun Nose) Taps
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HSS Hand and Machine Taps
- HSS-Co5 Machine Taps
- Tap Wrenches and Die Holders
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- Taps Hand & Machine
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Brushware
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- Specials
- Tools & Gear
- Reamers
- Bridge
- Bridge
- 19.00mm Taper Bridge Reamer
Bridge
19.00mm Taper Bridge Reamer
Tools & Gear Reamers Bridge
Spiral Flute Tapered Bridge Reamers Bridge reamers are used to create an aligned hole in a structural steel assembly. These reamers enlarge and align holes for rivets and bolts in structural steel members such as I-beams, angles, channels, and plates. The reamer is tapered for approximately half its FL allowing the reamer to enter out-of-line holes often encountered in structural work. All tools are constructed with left-hand spiral and right-hand cut. The left-hand spiral eliminates the tendency of the reamer to pull itself into the hole. In large structural assemblies, the holes are generally punched undersize and then reamed when in position. The idea is that the holes most likely will not line up within about 1/8" when a fabricated 50 foot beam or column is finally put into place. Coolant or cutting tool lubricant should be utilitised when possible. Benefits include better finishes, superior tool life and the ability to increase speeds and feeds. Bridge reamers should be run at half the R.P.M. suggested for a corresponding twist drill size.