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Product Specifications:
| Item | Straight Flute Tap |
| 55% Thread Drill Size | I |
| 65% Thread Drill Size | 17/64" |
| 75% Thread Drill Size | F |
| Extended Neck | Yes |
| Finish | Bright |
| Fits Class | Class 3B |
| Measurement System | Fractional Inch |
| Number Of Flutes | 4 |
| Overall Length | 6" |
| Shank Dia. | 5/16" |
| Shank Length | 4 27/32" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Spiral Direction | Neutral |
| Square Size | 0.238" |
| System Of Measurement | Imperial |
| Tap Chamfer | Plug |
| Tap Finish | Bright |
| Tap Material | High Speed Steel |
| Tap Shank Standard | ANSI |
| Tap Style | Extension |
| Tap Type | Extension |
| Thread Direction | Right Hand |
| Thread Length | 1 1/8" |
| Thread Limit | H3 |
| Thread Limit / Class Of Fit | H3, 3B |
| Thread Size | 5/16"-18 |
| Thread Standard | Coarse |
| Threads Per Inch | 18 |
Shipping Info:
| Ship weight (kg) | 0.06 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Thread Size | Thread Length | Overall Length | Thread Limit | Thread Direction | Number Of Flutes | 75% Thread Drill Size | Tap Chamfer | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
15786 | 3/8"-16 | 1 1/4" | 6" | H3 | Right Hand | 4 | 5/16" | Plug | €82.67 | |
![]() |
15736 | 5/16"-32 | 1 1/8" | 2 23/32" | H5 | Right Hand | 4 | - | Bottoming | €94.95 | |
![]() |
15979 | 7/16"-24 | 3/16" | 3 5/32" | H3 | Right Hand | 4 | - | Bottoming | €96.55 | |
![]() |
20498 | M12 x 1.25 | 1 5/8" | 3 3/8" | D5 | Right Hand | 4 | - | Bottoming | €67.68 | |
![]() |
20547 | M14 x 1.5 | 1 5/8" | 3 9/16" | D6 | Right Hand | 4 | 12.5 mm | Bottoming | €103.51 | |
![]() |
20587 | M16 x 1.5 | 1 3/4" | 3 25/32" | D6 | Right Hand | 4 | 14.5 mm | Bottoming | €137.12 | |
![]() |
20279 | M6 x 0.75 | 25 mm | 64 mm | D3 | Right Hand | 4 | 5.25 mm | Taper | €56.80 |
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Contact us
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GRAINGER 15673 Straight Flute Tap, 5/16-18 Thread Size, 1 1/8 Inch Thread Length, 6 Inch Length
€77.35 /unit



