About Finishing
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About Files
Files, also known as American-pattern and machinists' files, are used to remove material quickly.
Precision files, also known as Swiss-pattern files, are made to exacting measurements to ensure smoothness and are useful for finishing delicate and intricate parts.
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Diamond File Sets








The hardest files available, these are the longest lasting and strong enough to file hard materials.
| Includes | For Use On | Each | |
| One Coarse-Finish (80-100 Grit) Rectangular File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.409" Wd. × 0.11" Thick. One Coarse-Finish (80-100 Grit) Tapered Half-Round File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.496" Wd. × 0.154" Thick. One Coarse-Finish (80-100 Grit) Tapered Round File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.268" Dia. One Coarse-Finish (80-100 Grit) Tapered Triangular File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.382" Wd. One Coarse-Finish (80-100 Grit) Tapered Square File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.24" Wd. | Titanium, Hardened Steel, Tool Steel, Nickel, Stone, Glass, Carbide, Carbon Fiber, Graphite | 4243A72 | 0000000 |
| Includes | For Use On | Each | |
| One Medium-Finish (120-140 Grit) Rectangular File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.409" Wd. × 0.11" Thick. One Medium-Finish (120-140 Grit) Tapered Half-Round File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.496" Wd. × 0.154" Thick. One Medium-Finish (120-140 Grit) Tapered Round File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.268" Dia. One Medium-Finish (120-140 Grit) Tapered Triangular File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.382" Wd. One Medium-Finish (120-140 Grit) Tapered Square File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.24" Wd. | Titanium, Hardened Steel, Tool Steel, Nickel, Stone, Glass, Carbide, Carbon Fiber, Graphite | 4243A71 | 0000000 |
| Includes | For Use On | Each | |
| One Fine-Finish (170-200 Grit) Rectangular File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.409" Wd. × 0.11" Thick. One Fine-Finish (170-200 Grit) Tapered Half-Round File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.496" Wd. × 0.154" Thick. One Fine-Finish (170-200 Grit) Tapered Round File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.268" Dia. One Fine-Finish (170-200 Grit) Tapered Triangular File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.382" Wd. One Fine-Finish (170-200 Grit) Tapered Square File with 4.328" Lg. Diamond Surface—8.625" Lg. × 0.24" Wd. | Titanium, Hardened Steel, Tool Steel, Nickel, Stone, Glass, Carbide, Carbon Fiber, Graphite | 4243A73 | 0000000 |
| Includes | For Use On | Each | |
| One Coarse-Finish (80-100 Grit) Rectangular File with 1.5" Lg. Diamond Surface—6" Lg. × 0.25" Wd. × 0.125" Thick. One Coarse-Finish (80-100 Grit) Rectangular File with 1.5" Lg. Diamond Surface—6" Lg. × 0.375" Wd. × 0.125" Thick. One Coarse-Finish (80-100 Grit) Round File with 1.5" Lg. Diamond Surface—6" Lg. × 0.125" Dia. One Coarse-Finish (80-100 Grit) Triangular File with 1.5" Lg. Diamond Surface—6" Lg. × 0.125" Wd. One Coarse-Finish (80-100 Grit) Square File with 1.5" Lg. Diamond Surface—6" Lg. × 0.125" Wd. One Coarse-Finish (80-100 Grit) Tapered Point File with 0.5"-0.875" Lg. Diamond Surface—6" Lg. × 0.125" Wd. | Titanium, Hardened Steel, Tool Steel, Nickel, Stone, Glass, Carbide, Carbon Fiber, Graphite | 8168A68 | 0000000 |
| Includes | For Use On | Each | |
| One Medium-Finish (120-140 Grit) Rectangular File with 1.5" Lg. Diamond Surface—6" Lg. × 0.25" Wd. × 0.125" Thick. One Medium-Finish (120-140 Grit) Rectangular File with 1.5" Lg. Diamond Surface—6" Lg. × 0.375" Wd. × 0.125" Thick. One Medium-Finish (120-140 Grit) Round File with 1.5" Lg. Diamond Surface—6" Lg. × 0.125" Dia. One Medium-Finish (120-140 Grit) Triangular File with 1.5" Lg. Diamond Surface—6" Lg. × 0.125" Wd. One Medium-Finish (120-140 Grit) Square File with 1.5" Lg. Diamond Surface—6" Lg. × 0.125" Wd. One Medium-Finish (120-140 Grit) Tapered Point File with 0.5"-0.875" Lg. Diamond Surface—6" Lg. × 0.125" Wd. | Titanium, Hardened Steel, Tool Steel, Nickel, Stone, Glass, Carbide, Carbon Fiber, Graphite | 8168A57 | 0000000 |
| Includes | For Use On | Each | |
| One Fine-Finish (170-200 Grit) Rectangular File with 1.5" Lg. Diamond Surface—6" Lg. × 0.25" Wd. × 0.125" Thick. One Fine-Finish (170-200 Grit) Rectangular File with 1.5" Lg. Diamond Surface—6" Lg. × 0.375" Wd. × 0.125" Thick. One Fine-Finish (170-200 Grit) Round File with 1.5" Lg. Diamond Surface—6" Lg. × 0.125" Dia. One Fine-Finish (170-200 Grit) Triangular File with 1.5" Lg. Diamond Surface—6" Lg. × 0.125" Wd. One Fine-Finish (170-200 Grit) Square File with 1.5" Lg. Diamond Surface—6" Lg. × 0.125" Wd. One Fine-Finish (170-200 Grit) Tapered Point File with 0.5"-0.875" Lg. Diamond Surface—6" Lg. × 0.125" Wd. | Titanium, Hardened Steel, Tool Steel, Nickel, Stone, Glass, Carbide, Carbon Fiber, Graphite | 8168A47 | 0000000 |
Thin-Face Diamond File Sets
![]() | 0.591" Diamond Surface Lg. |
0.984" Diamond Surface Lg. |
Thinner than standard diamond files, these are good for reaching into small slots and narrow spaces. Diamond is the hardest, longest-lasting abrasive available and strong enough to file hard materials.
| Includes | For Use On | Each | |
5-Piece Sets | |||
|---|---|---|---|
| One Medium-Finish (120-140 Grit) Rectangular File with 0.591" Sq. Diamond Surface—0.047" Thick. One Medium-Finish (120-140 Grit) Rectangular File with 0.984" Sq. Diamond Surface—0.047" Thick. One Fine-Finish (170-200 Grit) Rectangular File with 0.591" Sq. Diamond Surface—0.039" Thick. One Fine-Finish (170-200 Grit) Rectangular File with 0.984" Sq. Diamond Surface—0.039" Thick. One File Holder with a Plastic Handle | Titanium, Hardened Steel, Tool Steel, Nickel, Ceramic, Stone, Glass, Carbide, Carbon Fiber, Graphite | 8142A31 | 0000000 |
Diamond File Sets for Ultrasonic Polishers


Keep diamond files of different grits and sizes on hand to gradually shape the slots and grooves on your workpiece. Their small size coupled with the rapid vibrations of your ultrasonic polisher give you precise control over where and how much material you remove. Compared to polishing stones, they'll remove more material. The diamond abrasive makes these some of our toughest files. They last through heavy use, even on hard materials. Install them with their holder (sold separately) into the handpiece of an ultrasonic polisher.
Sets | Ultrasonic Stone Holders | ||||
|---|---|---|---|---|---|
| Includes | For Use On | Each | Each | ||
12-Piece Sets | |||||
| One each 180, 400, 600-grit Rectangular Files for Fine to Extra Fine Finish with 19/32" Lg. Diamond Surface—2 1/4" Lg. × 1/8" Wd. × 1/64" Thick. One each 180, 400, 600-grit Rectangular Files for Fine to Extra Fine Finish with 19/32" Lg. Diamond Surface—2 1/4" Lg. × 1/4" Wd. × 1/64" Thick. One each 180, 400, 600-grit Rectangular Files for Fine to Extra Fine Finish with 19/32" Lg. Diamond Surface—2 7/8" Lg. × 1/8" Wd. × 1/64" Thick. One each 180, 400, 600-grit Rectangular Files for Fine to Extra Fine Finish with 19/32" Lg. Diamond Surface—2 7/8" Lg. × 1/4" Wd. × 1/64" Thick. | Titanium, Hardened Steel, Tool Steel, Nickel, Ceramic, Stone, Glass, Carbide, Carbon Fiber, Graphite | 9667N11 | 0000000 | 9657N52 | 000000 |
Diamond Needle File Sets
![]() | ![]() Straight Rectangular | ![]() Tapered Crossing | ![]() Tapered Half Round |
![]() Tapered Round | ![]() Tapered Square | ![]() Tapered Triangular |
The hardest files available, these are the longest lasting and strong enough to file hard materials. The small tips allow precise work in tight spots.
| Includes | For Use On | Each | |
| One Coarse-Finish (80-100 Grit) Rectangular File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.201" Wd. × 0.055" Thick. One Coarse-Finish (80-100 Grit) Tapered Half-Round File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.213" Wd. × 0.075" Thick. One Coarse-Finish (80-100 Grit) Tapered Round File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.118" Dia. One Coarse-Finish (80-100 Grit) Tapered Triangular File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.154" Wd. One Coarse-Finish (80-100 Grit) Tapered Square File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.098" Wd. One Coarse-Finish (80-100 Grit) Tapered Crossing File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.185" Wd. × 0.087" Thick. | Titanium, Hardened Steel, Tool Steel, Nickel, Ceramic, Stone, Concrete, Glass, Carbide, Carbon Fiber, Graphite, Brick | 4330A13 | 0000000 |
| Includes | For Use On | Each | |
| One Medium-Finish (120-140 Grit) Rectangular File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.201" Wd. × 0.055" Thick. One Medium-Finish (120-140 Grit) Tapered Half-Round File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.213" Wd. × 0.075" Thick. One Medium-Finish (120-140 Grit) Tapered Round File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.118" Dia. One Medium-Finish (120-140 Grit) Tapered Triangular File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.154" Wd. One Medium-Finish (120-140 Grit) Tapered Square File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.098" Wd. One Medium-Finish (120-140 Grit) Tapered Crossing File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.185" Wd. × 0.087" Thick. | Titanium, Hardened Steel, Tool Steel, Nickel, Ceramic, Stone, Concrete, Glass, Carbide, Carbon Fiber, Graphite, Brick | 4330A12 | 0000000 |
| Includes | For Use On | Each | |
| One Fine-Finish (170-200 Grit) Rectangular File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.201" Wd. × 0.055" Thick. One Fine-Finish (170-200 Grit) Tapered Half-Round File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.213" Wd. × 0.075" Thick. One Fine-Finish (170-200 Grit) Tapered Round File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.118" Dia. One Fine-Finish (170-200 Grit) Tapered Triangular File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.154" Wd. One Fine-Finish (170-200 Grit) Tapered Square File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.098" Wd. One Fine-Finish (170-200 Grit) Tapered Crossing File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.185" Wd. × 0.087" Thick. | Titanium, Hardened Steel, Tool Steel, Nickel, Ceramic, Stone, Concrete, Glass, Carbide, Carbon Fiber, Graphite, Brick | 4330A11 | 0000000 |
| Includes | For Use On | Each | |
| One Coarse-Finish (80-100 Grit) Rectangular File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.201" Wd. × 0.055" Thick. One Coarse-Finish (80-100 Grit) Tapered Round File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.118" Dia. One Medium-Finish (120-140 Grit) Rectangular File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.201" Wd. × 0.055" Thick. One Medium-Finish (120-140 Grit) Tapered Round File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.118" Dia. One Fine-Finish (170-200 Grit) Rectangular File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.201" Wd. × 0.055" Thick. One Fine-Finish (170-200 Grit) Tapered Round File with 2.75" Lg. Diamond Surface—5.5" Lg. × 0.118" Dia. | Titanium, Hardened Steel, Tool Steel, Nickel, Ceramic, Stone, Concrete, Glass, Carbide, Carbon Fiber, Graphite, Brick | 4330A14 | 0000000 |
Detail Polishing Stone Assortments
Keep stones in different grits on hand to smooth ribs, slots, teeth, and other fine features. The stones in these assortments are thin enough to slip into hard-to-reach areas. Made of bonded ceramic, they’re harder and more wear resistant than aluminum oxide stones, but flexible enough not to crack under pressure. Pair these stones with a holder to polish by hand or with a power tool, such as an ultrasonic polisher. Some holders are sold separately. Apply a water-soluble or oil-based lubricant to help keep debris from building up on the surface.
Ceramic/diamond stones have diamond particles spread throughout the ceramic to make them harder and sharper. They won’t wear out as quickly as plain ceramic stones when finishing hardened steel, carbide, and other extremely hard materials.


| No. of Pieces | Includes | Color | Each | |
Ceramic/Diamond Blend—For Use On Hardened Steel, Carbide | ||||
|---|---|---|---|---|
| 3 | One each 180, 400, 800-grit Stone—4" Lg. × 5/32" Wd. × 3/64" Thick. | Black, Blue, Gray | 9631N71 | 000000 |

For Stone | |||
|---|---|---|---|
| For No. of Polishing Stones | Wd. × Thick. | Each | |
| 1 | 5/32" × 3/64" | 47465A103 | 00000 |

Thread | ||||
|---|---|---|---|---|
| For Max. Stone Wd. × Thick. | Size | Pitch, mm | Each | |
| 3/8" × 3/64" | M6 | 0.75 | 9657N51 | 000000 |


































