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445D17 Pipe & Conduit Thread Taps

$59.99Including tariffs

Bulk orders will be discounted, please contact us.

High-performance pipe and conduit taps provide better wear resistance than other high-speed steel pipe and conduit taps when threading holes in workpieces made from specific materials. These taps are made from HSS-E, a type of high-speed steel that has a higher percentage of cobalt and vanadium than standard high-speed steel.

Product Number: 445D17

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  • Description
Mfr Model VTSTR8303
Thread Size 1/4"-18
Tap Material HSS-E
Tap Finish Bright (Uncoated)
Thread Length 25/32 in
Overall Length 3-15/16 in
Thread Limit H2
Number of Flutes 4
Tap Length Standard DIN 5156; USCTI
Tap Shank Standard DIN 5156; USCTI
Primary Material Application Cast Iron; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Drill Bit Size 2-13/64 in
Extended Neck Yes
Helix Angle 0 °
Interrupted Thread No
Material Grade Machining WU40EG
Max Projection 0.4590 in
Measurement System Fractional Inch
Primary Material Application ISO Code K; P
Shank Dia 27/64 in
Shank Length 2-25/64 in
Square Size 0.3540 in
Standards DIN 5156; USCTI
Tap Chamfer Taper
Tap Style Pipe
Tap Thread Size 1/4"-18
Threads per Inch 18
Manufacturer Part Number VTSTR8303
UNSPSC 23153305
Country of Origin Italy (subject to change)
Thread Standard BSPP (G)
Features For Use With a Wide Variety of Materials
Flute Type Straight
Shank Type Machining Straight
Secondary Material Application Aluminum; Brass; Bronze; Composite; Copper; Nickel; Titanium
Secondary Material Application ISO Code N; O; S
Spiral Direction Neutral
Class of Fit 3B

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