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445H71 High-Performance Spiral-Flute Taps for Multiple Materials

$23.83

Bulk orders will be discounted, please contact us.

UN coarse (UNC) taps have fewer threads per inch than UN fine (UNF) taps. Compared to UNF taps, UNC taps perform better in threading applications on brittle materials and are less likely to cross thread. Coarse threads can also withstand more physical abuse than fine threads. The black-oxide finish on these taps retains lubricants to improve the taps' wear resistance and chip flow. Black-oxide taps should only be used on ferrous metals.

Product Number: 445H71

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  • Description
Mfr Model VTSFT-TC6052
Thread Size 5/16"-18
Tap Material High Speed Steel
Thread Length 1/2 in
Overall Length 3-17/32 in
Thread Limit 2B
Number of Flutes 3
Tap Shank Standard DIN 371
Primary Material Application Cast Iron; Stainless Steel; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Extended Neck Yes
Helix Angle 45 °
Material Grade Machining WP49EG
Measurement System Fractional Inch
Primary Material Application ISO Code K; M; P
Shank Dia 5/16 in
Shank Length 77.00 mm
Square Size 0.2440 in
Standards DIN 371
Tap Chamfer Semi-Bottoming
Tap Style Spiral Flute
Tap Thread Size 5/16"-18
Threads per Inch 18
UNSPSC 23153305
Country of Origin Italy (subject to change)
Thread Standard UNC
Features Form C Semi-Bottoming Chamfer; Tension/Compression Holders
Shank Type Machining Straight
Secondary Material Application Aluminum; Brass; Bronze; Cast Iron; Copper; Stainless Steel
Secondary Material Application ISO Code K; M; N
Spiral Direction Right Hand
Class of Fit 2B
Thread Pitch 5.00mm

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