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54MK21 High-Performance Spiral-Flute Taps for Steel & Stainless Steel

$59.99

Bulk orders will be discounted, please contact us.

These taps are designed for tapping steel and stainless steel. They have a black-oxide finish that retains lubricants to improve the taps' wear resistance and chip flow.

Product Number: 54MK21

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  • Description
Mfr Model 139001
Thread Size 9/16"-12
Tap Material High Speed Steel
Tap Finish Black Oxide
Thread Length 5/8 in
Overall Length 3-9/16 in
Thread Limit H3
Number of Flutes 4
Tap Length Standard DIN
Tap Shank Standard ANSI
Primary Material Application Stainless Steel; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Drill Bit Size 0.4759 in; 0.4813 in; 0.4867 in; 0.4921 in; 0.4976 in
Extended Neck Yes
Helix Angle 45 °
Material Grade Machining V; VC-10
Measurement System Fractional Inch
Primary Material Application ISO Code M; P1
Shank Dia 27/64 in
Shank Length 1-19/32 in
Square Size 0.3220 in
Standards DIN
Tap Chamfer Bottoming
Tap Style Spiral Flute
Tap Thread Size 9/16"-12
Threads per Inch 12
UNSPSC 27112806
Country of Origin Brazil (subject to change)
Thread Standard UNC
Features Accelerates chip evacuation; High Wear Resistance; Long tool life; OSG's Proprietary V Coating; Powder Metallurgy HSS; Sharp Cutting Edge; Stabilizes Chip Shape; Variable Helix Flute
Shank Type Machining Straight
Secondary Material Application Aluminum; Cast Iron; Steel
Secondary Material Application ISO Code K; N; P
Spiral Direction Right Hand
Class of Fit 6H
Thread Pitch 5.50mm

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