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33YF74 General Purpose Spiral-Point Taps

$15.82

Bulk orders will be discounted, please contact us.

UN fine (UNF) taps have more threads per inch than UN coarse (UNC) taps. Compared to UNC taps, UNF taps perform better in threading applications on thin-walled workpieces and hard materials. Fine threads provide more tensile strength and shear strength than coarse threads. The bright finish on these taps provides a smooth, polished surface.

Product Number: 33YF74

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  • Description
Mfr Model 1242200
Thread Size 7/16"-20
Tap Material High Speed Steel
Tap Finish Bright (Uncoated)
Thread Length 7/8 in
Overall Length 3-1/8 in
Thread Limit H5
Number of Flutes 3
Tap Length Standard USCTI
Tap Shank Standard USCTI
Primary Material Application Aluminum; Cast Iron; Steel
Thread Direction Right Hand
Coolant Fed Non-Coolant Through
Drill Bit Size 0.3855 in; 0.3888 in; 0.3920 in; 0.3953 in; 0.3985 in
Extended Neck Yes
Material Grade Machining M35
Measurement System Fractional Inch
Primary Material Application ISO Code K; N; P
Shank Dia 5/32 in
Shank Length 1-13/16 in
Square Size 0.2420 in
Standards ANSI
Tap Chamfer Plug
Tap Thread Size 7/16"-20
Threads per Inch 20
Manufacturer Part Number 1242200
UNSPSC 23153305
Country of Origin Mexico (subject to change)
Thread Standard UNF
Shank Type Machining Straight
Secondary Material Application Aluminum; Brass; Bronze; Cast Iron; Copper; Steel
Secondary Material Application ISO Code K; N; P
Spiral Direction Neutral
Class of Fit 6H
Thread Pitch 0.80 mm
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