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  3. DRILLCO DRL428N220-132 – 1-5/16High Sp Fl 1/2″” SH NITRO Construction Reamer”

DRILLCO DRL428N220-132 - 1-5/16High Sp Fl 1/2"" SH NITRO Construction Reamer"

Original price was: $329.99.Current price is: $146.00.

  • SKU:O94934101365
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Brand Drillco
Product SKU 428N220-132
Category Reamers
Size Fractional
Material High Speed Steel
Finish/Coating Black & Gold
Pack Quantity 1
Size 1.5/16
Overall Length 6.7/8
Flute Length 5
Description Manufactured from a premium grade of m-7N molybdenum high speed steel. The Nitro Heavy-Duty Construction Reamers have a Ferritic Nitro Carburizing surface treatment which gives a hard protective layer to the reamer. This increases hardness (Rc 75-80) without increasing brittleness which is measurably harder than high speed steel. Body and clearance are gold and black surface treated for maximum lubricity.