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Product Specifications:
| Item | Spiral Flute Tap |
| 55% Thread Drill Size | 11.3 mm |
| 65% Thread Drill Size | 11 mm |
| 75% Thread Drill Size | 27/64" |
| Coolant Fed | Non Coolant Through |
| Extended Neck | Yes |
| Fits Class | Class 3B |
| Grade | Grade Bright |
| Helix Angle | 52° |
| Material Grade - Machining | Bright |
| Measurement System | Fractional Inch |
| Number Of Flutes | 3 |
| Overall Length | 3 3/8" |
| Primary Material Application | Aluminum, Brass, Bronze, Copper |
| Primary Material Application Iso Code | N |
| Shank Dia. | 23/64" |
| Shank Length | 2 7/16" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Spiral Direction | Right Hand |
| Square Size | 0.275" |
| System Of Measurement | Imperial |
| Tap Chamfer | Plug |
| Tap Material | High Speed Steel |
| Tap Shank Standard | ANSI |
| Tap Style | Spiral Flute |
| Tap Thread Size | 1/2"-13 |
| Tap Type | Spiral Flute |
| Thread Direction | Right Hand |
| Thread Length | 7/8" |
| Thread Limit | H3 |
| Thread Limit / Class Of Fit | H3, 3B |
| Thread Size | 1/2"-13 |
| Thread Standard | Coarse |
| Threads Per Inch | 13 |
Shipping Info:
| Ship weight (kg) | 0.04 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 8.59 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Thread Size | Overall Length | 75% Thread Drill Size | Thread Limit | Number Of Flutes | Tap Chamfer | Shank Dia. | Shank Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
2748339 | 5/16"-18 | 2 23/32" | F | H3 | 3 | Bottoming | 5/16" | 1 19/32" | €35.77 | |
![]() |
2748372 | #5-40 | 1 15/16" | #39 | H2 | 2 | Plug | 9/64" | 1 9/32" | €27.52 | |
![]() |
16029 | 3/8"-16 | 2 15/16" | 5/16" | H3 | 3 | Plug | 3/8" | 1 11/16" | €38.42 | |
![]() |
16051 | - | - | - | - | - | - | - | - | €138.05 | |
![]() |
16027 | - | - | - | - | - | - | - | - | €29.21 |
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WIDIA 2748318 16039 Spiral Flute Tap, 1/2-13 Thread Size, 7/8 Inch Thread Length, 3 3/8 Inch Length
€73.03 /unit




