Reamer Type U

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Adjustable Type U Reamers

The universal reamer with dual-sided guidance.

Application:

For boring and/or reaming all types of holes, especially widely spaced aligned bores.
Double centering and support ensure maximum precision.
The boring cutters allow for a coarse pre-cut before the actual finishing cut.

Design:

Right-hand cutting hand reamer, each equipped with a guide rod with a square drive and a conical centering sleeve on each side.
Both guide rods are interchangeable and can be replaced with extended guide rods.
Blades with a cylindrical pilot, boring edge, and subsequent reaming edge.
Blades with the unique Hunger special grind (progressively increasing clearance angle) ensure a smooth, soft cut.
Adjustment nut with setting scale, where one graduation mark corresponds to a change in the cutting diameter of 0.02 mm.
The reamer blades are made of special steel characterized by particularly good edge retention.

The production of reamers with hard-chrome plated blades as well as hard-chrome plated replacement blades has been discontinued. Remaining stock is still available and deliverable as long as supplies last.

As a replacement for the “Hard Chrome” version, the “DLC” version is now available, in which the blades are coated with diamond-like carbon (DLC). The DLC coating is characterized by extreme hardness and smoothness. At the same time, the sharpness of the cutting edges is maintained because the DLC layer is extremely thin.
The DLC version is therefore ideally suited for reaming aluminum alloys and copper alloys (bronze and brass), as well as materials with a high abrasive effect that tend to stick and form built-up edges.Sizes:
Size Adjustment Range
mm
Total Length
L1 mm
Cutting Length
L2 mm
Square Drive
a mm
Blades
Quantity
Weight
kg
U12 12 – 13,5 250 30 8 5 0,170
U13.5 13,5 – 15,5 270 33 9 5 0,245
U15.5 15,5 – 18 295 36 10 5 0,360
U18 18 – 21 330 40 12 5 0,545
U19.5 19,5 – 22,5 352 44 13 5 0,700
U21 21 – 24,5 352 44 13 5 0,800
U24.5 24,5 – 29 385 48 13 6 1,140
U29 29 – 34 418 52 16 6 1,670
U34 34 – 39 440 54 18 6 2,430
U39 39 – 45 475 60 18 6 3,310
U45 45 – 52 500 60 18 6 4,700
U52 52 – 59 500 60 18 6 5,700
U59 59 – 66 500 60 18 6 6,700

Reamer sets in wooden cases:

hhhh
Set Adjustment Range Number of
Reamers
Weight
kg
mm Inches
USI 12 – 34 15/32 – 1 11/32 7 6.7
USE 12 – 45 15/32 – 1 49/64 9 13.1

Download Brochure Type U Reamers

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