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Cobalt, HSS, & Carbide Reamers



Cobalt, High-Speed Steel (HSS), and carbide reamers offered by RedLine Tools are proudly made in the USA. Our wide selection of reamers is designed to provide you with the perfect tool for a variety of applications. RedLine reamers, including long tapered reamers, are capable of working in a wide range of materials for steel, stainless steel, high temp alloy or non-ferrous materials.

Our comprehensive product offering includes straight reamers, right-hand spiral flute, expansion style, and tapered reamers — as well as capscrew counterbores — all designed to give you the precision you need.

To accurately adjust the size of existing holes with ease, view the cobalt, HSS and carbide reamers available below, or conduct a filtered search using the parameters listed on the left side of the page. All our reamers are engineered for quality and to meet the demands of the manufacturing industry.

**View our Reamers catalog section.**


Our Selection of Cobalt, HSS and Carbide Reamers


*Photos may not be the exact representation of our reamers.


Reamers 
Viewing Page 1 of 37 (369 results)
1/8 (0.1250) Cobalt Straight Flute Reamer

RR60473

.1250 Cobalt Reamer, Straight Shank - Straight Flute, .8750 Flute, 3.5000 OAL, 4 Flt, .1190 Shank Dia
RedLine Tools Made in the USA
IN STOCK
100 Available from Factory
UOM : EA
$13.60



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V (0.3770) Cobalt Straight Flute Reamer

RR60561

.3770 Cobalt Reamer, Straight Shank - Straight Flute, 1.7500 Flute, 7.0000 OAL, 6 Flt, .3110 Shank Dia
RedLine Tools Made in the USA
IN STOCK
17 Available from Factory
UOM : EA
$44.49



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.2490 O/U Cobalt Straight Flute Reamer

RR60524

.2490 Cobalt Reamer, Straight Shank - Straight Flute, 1.5000 Flute, 6.0000 OAL, 6 Flt, .2410 Shank Dia
RedLine Tools Made in the USA
IN STOCK
21 Available from Factory
UOM : EA
$21.98



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.5010 O/U Cobalt Straight Flute Reamer

RR60583

.5010 Cobalt Reamer, Straight Shank - Straight Flute, 2.0000 Flute, 8.0000 OAL, 6 Flt, .4360 Shank Dia
RedLine Tools Made in the USA
IN STOCK
16 Available from Factory
UOM : EA
$51.07



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5/8 (0.6250)Cobalt Straight Flute Reamer

RR60587

.6250 Cobalt Reamer, Straight Shank - Straight Flute, 2.2500 Flute, 9.0000 OAL, 8 Flt, .5620 Shank Dia
RedLine Tools Made in the USA
IN STOCK
12 Available from Factory
UOM : EA
$66.73



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.1260 O/U Cobalt Straight Flute Reamer

RR60474

.1260 Cobalt Reamer, Straight Shank - Straight Flute, .8750 Flute, 3.5000 OAL, 4 Flt, .1190 Shank Dia
RedLine Tools Made in the USA
IN STOCK
54 Available from Factory
UOM : EA
$15.41



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9.5mm-O/U (0.3740) Cobalt Straight Flute Reamer

RR60558

.3740 Cobalt Reamer, Straight Shank - Straight Flute, 1.7500 Flute, 7.0000 OAL, 6 Flt, .3110 Shank Dia
RedLine Tools Made in the USA
IN STOCK
16 Available from Factory
UOM : EA
$34.64



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.4990 O/U Cobalt Straight Flute Reamer

RR60581

.4990 Cobalt Reamer, Straight Shank - Straight Flute, 2.0000 Flute, 8.0000 OAL, 6 Flt, .4360 Shank Dia
RedLine Tools Made in the USA
IN STOCK
22 Available from Factory
UOM : EA
$51.07



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.3760 O/U Cobalt Straight Flute Reamer

RR60560

.3760 Cobalt Reamer, Straight Shank - Straight Flute, 1.7500 Flute, 7.0000 OAL, 6 Flt, .3110 Shank Dia
RedLine Tools Made in the USA
IN STOCK
21 Available from Factory
UOM : EA
$34.64



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4mm (0.1575) Cobalt Straight Flute Reamer

RR60487

.1575 Cobalt Reamer, Straight Shank - Straight Flute, 1.0000 Flute, 4.0000 OAL, 6 Flt, .1510 Shank Dia
RedLine Tools Made in the USA
IN STOCK
18 Available from Factory
UOM : EA
$18.42



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