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Grobet Three-Square Needle Files - Otto Frei
Grobet USA

Grobet USA Italian Made Three-Square Needle Files

Part # 31.631 5 In Stock Weight -- lb / -- g
$12.80
Volume pricing
Total qty Discount Per unit You save
1 – 2 — $12.80 —
3 – 5 5% off $12.16 $0.64
6 – 11 10% off $11.52 $1.28
12 + 20% off $10.24 $2.56
Add 2 more for 5% off, saves another $0.64 each.
Grobet - Length & Cut: 100-2

Grobet USA Three-Square Needle Files are gradually tapered and cut all the way to the point, making them ideal for reaching into tight corners, cleaning up triangular slots, and refining angled interior surfaces with precision. These files are manufactured in Italy — a production shift that took effect in 2015, when Grobet moved needle file manufacturing away from Switzerland.

Jewelers and metalsmiths who require the original Swiss-made standard should note that Glardon-Vallorbe of Switzerland remains the original manufacturer of Swiss needle files. If your file is marked Swiss Made, it was made by Glardon-Vallorbe. Otto Frei stocks genuine Glardon-Vallorbe Swiss Made Three-Square Needle Files (LA2407 / LAV2407) and Three-Square Escapement Files (LE3014) in a wide variety of cuts and sizes.

These Italian-made Grobet USA files are available in four lengths and five cut grades, giving bench jewelers a practical range for both aggressive stock removal and refined finishing work. Not all cuts are available in all lengths — see the Available Options table below for exact combinations.

Features

  • Three-square (triangular) cross-section, tapered and cut to the point
  • Four length options: 100 mm, 140 mm, 160 mm, and 200 mm
  • Five cut grades available across the range: Cut 00 (Extra Coarse) through Cut 6 (Extra Fine)
  • Needle file lengths measured tip to tip, including the tang (handle section)
  • Manufactured in Italy by Grobet USA

Specifications

File Profile Three-Square (triangular), tapered to point
Manufacturer Grobet USA, made in Italy
Length Measurement Tip to tip, including tang
Available Lengths 100 mm (4"), 140 mm (5-1/2"), 160 mm (6-1/4"), 200 mm (7-3/4")
Available Cut Grades Cut 00 Extra Coarse, Cut 0 Coarse, Cut 2 Medium, Cut 4 Fine, Cut 6 Extra Fine

Available Options

Part # Length (mm) Cut Grade
31.631 100 mm Cut 2 Medium
31.632 100 mm Cut 4 Fine
31.634 140 mm Cut 2 Medium
31.640 160 mm Cut 2 Medium
31.642 160 mm Cut 4 Fine
31.643 160 mm Cut 6 Extra Fine
31.645 200 mm Cut 0 Coarse
31.647 200 mm Cut 2 Medium

Notes

  • Not all cut grades are available in all lengths — select your combination from the options above.
  • For original Swiss-made quality, Otto Frei stocks genuine Glardon-Vallorbe Three-Square Needle Files (LA2407 / LAV2407) and Three-Square Escapement Files (LE3014).
  • This product is subject to California Proposition 65 warnings (Nickel).
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Grobet USA
Part #
31.631
Type
Files
Country of Origin
United States
Dimensions
4 in x 0.1 in x 0.1 in
File Profile
Three-Square (triangular), tapered to point
Length Measurement
Tip to tip, including tang
Available Lengths
100 mm (4"), 140 mm (5-1/2"), 160 mm (6-1/4"), 200 mm (7-3/4")
Available Cut Grades
Cut 00 Extra Coarse, Cut 0 Coarse, Cut 2 Medium, Cut 4 Fine, Cut 6 Extra Fine