Main properties 
Material ID: 8157397 
Product Code: B670N1 
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Americas Distribution Center: 1 
Description
Taper pin hand reamer with left hand slow spiral flutes and a square drive, large end diameter 0.1798" with an overall length of 2.15/16", a flute length of 1.11/16" and 0.1447 small end diameter, manufactured in accordance to ANSI B94.2-1983(R1988) standards for reaming tapered pin holes with a 1:48 taper into which standard number 1 taper pins (per ASA B5.20-1958) will fit, HSS with bright finish for machining free machining and plain carbon steel, grey and malleable cast-iron, wrought and cast aluminium and copper or copper alloys
Product Feature
Product Detail
| Description | Value | 
|---|---|
| Product name | B670N1 | 
| Ordering code ANSI | B670N1 | 
| EAN number | 3603607003985 | 
| Clamping Length - millimeter (LSC) | 5.54 mm | 
| Clamping width - millimeter (WSC) | 3.56 mm | 
| Connection diameter - fractional inch (DCON MS) | 3/16 | 
| Connection diameter - millimeter (DCON MS) | 4.76 mm | 
| Cutting diameter - millimeter (DC) | 3.68 mm | 
| Length chip flute - fractional inch (LCF) | 1.11/16 | 
| Length chip flute - millimeter (LCF) | 42.86 mm | 
| Flute count (NOF) | 6 | 
| Overall length - fractional inch (OAL) | 2.15/16 | 
| Overall length - millimeter (OAL) | 74.61 mm | 
| Cutting diameter step - millimeter | 3.68 mm | 
| Cutting diameter second cutting step - millimeters (DC_2) | 4.57 mm | 
| Nominal diameter | 1 | 
| ISO | B670N1 | 
| ANSI | B670N1 | 
| Brand Name | Dormer Pramet | 
| Net weight - grams | 9 | 
| Gross weight - grams | 9.7 | 
| Product number (SAP) | 86040921 | 
| EDP number | 8157397 | 
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