NF Diamond Needle Files
Description & Use:
STRAUSS & CO.'s medium sized Needle Files are the most popular files. Used for grinding different metals and hard materials such as: tungsten carbide, steels of 40Hrc and harder, ceramic materials, glass etc. A must for any tool and die shop, extruders and repairs of hardened alloys and ceramics. The NF File has a round shank of approx. Ø3.0 mm, suitable for handle, Cat. No. handlenf. or Cat. No. handlenf10.
Size: The Needle Files are manufactured in 2 dimensions:
NF - Total length 140 mm. Diamond coated length 70 mm .
NFB - Total length 160 mm. Diamond coated length 85 mm.
| Profile | Descripition | Size mm* | Cat.No. | |
|---|---|---|---|---|
 |
Barrette | 5.0x1.7 5.2x2.0 |
2102T 2102TB |
 |
 |
Equalling | 5.1x1.4 5.7x1.6 |
2112 2112B |
 |
 |
Equalling One Side | 4.8x1.3 | 2112-1 |  |
 |
Equalling Round Edge | 5.1x1.5 | 2112R |  |
|
Warding | 5.2x1.4 | 2122 |  |
|
Crochet | 5.0x1.5 | 2122R |  |
 |
Three Square |
3.9 |
2132 2132B |
 |
 |
Square | 2.5 2.7 |
2142 2142B |
 |
 |
Half Round | 5.4x1.9 5.9x2.2 |
2152 2152B |
 |
 |
Round | 3.0 3.2 |
2162 2162B |
 |
 |
Knife | 5.4x1.6 | 2172 |  |
 |
Slitting | 5.1x2.3 | 2182 |  |
 |
Crossing | 4.7x2.2 | 2192 |  |
Grit Size:
Standard grit sizes: D91 (#170/200), D126 (#120/140), D181 (#80/100).
Other grit sizes are available upon request. Other profiles available per request.
Remarks:
Tolerance: Length ±2.5 mm. Profile ±0.3 mm.
* Above sizes are for D126.
