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Taper Pipe Reamers (AS PER ANSI B94.2) – Spiral Flute
- Taper pipe reamers, manufactured according to ANSI B94.2 standards, are cutting tools specifically designed to prepare holes for being tapped with American Standard Taper Pipe Taps (NPT).
- Straight flutes are commonly used in general purpose through-hole applications and for reaming holes without interrupted cuts.
- Spiral flutes are advantageous in clearing swarf automatically.
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Applications
- Preparing for Tapping: Their main purpose is to ream holes prior to tapping with taper pipe taps, resulting in better quality threads.
- Reaming Materials: Designed for use in materials that are easy to ream.
- Machine Use: Can be utilized with machines like drill presses, screw machines, or lathes.
| Cat No | N.P.T. Size | Flute Length | Nominal Diameter Large End | Nominal Diameter Small End | Overall Length | ||
|---|---|---|---|---|---|---|---|
| GPR-2108 | 2" | 1-3/4" | 2.268" | 2.159" | 4-1/2" | ||
| GPR-2107 | 1-1/2" | 1-3/4" | 1.793" | 1.684" | 4-1/4" | ||
| GPR-2106 | 1-1/4" | 1-3/4" | 1.553" | 1.444" | 4" | ||
| GPR-2105 | 1" | 1-3/4" | 1.212" | 1.103" | 3-3/4" | ||
| GPR-2104 | 3/4" | 1-3/8" | .962" | .876" | 3-1/4" | ||
| GPR-2103 | 1/2" | 1-3/8" | .751" | .665" | 3-1/8" | ||
| GPR-2102 | 3/8" | 1-1/16" | .606" | .540" | 2-9/16" | ||
| GPR-2101 | 1/4" | 1-1/16" | .472" | .406" | 2-7/16" | ||
| GPR-2100 | 1/8" | 3/4" | .362" | .316" | 2-1/8" |
| Cat No | GPR-2100, GPR-2101, GPR-2102, GPR-2103, GPR-2104, GPR-2105, GPR-2106, GPR-2107, GPR-2108 |
|---|---|
| N.P.T. Size | 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" |
| Flute Length | 3/4", 1-1/16", 1-1/16", 1-3/8", 1-3/8", 1-3/4", 1-3/4", 1-3/4", 1-3/4" |
| Nominal Diameter Large End | .362", .472", .606", .751", .962", 1.212", 1.553", 1.793", 2.268" |
| Nominal Diameter Small End | .316", .406", .540", .665", .876", 1.103", 1.444", 1.684", 2.159" |
| Overall Length | 2-1/8", 2-7/16", 2-9/16", 3-1/8", 3-1/4", 3-3/4", 4", 4-1/4", 4-1/2" |
