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Product Specifications:
| Item | Spiral Point Tap |
| 55% Thread Drill Size | I |
| 65% Thread Drill Size | 17/64" |
| 75% Thread Drill Size | F |
| Drill Bit Size | 0.2589" |
| Extended Neck | Yes |
| Finish | Bright |
| Measurement System | Fractional Inch |
| Number Of Flutes | 2 |
| Overall Length | 2 23/32" |
| Shank Dia. | 5/32" |
| Shank Length | 1 9/16" |
| 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 Thread Size | 5/16"-18 |
| Thread Direction | Right Hand |
| Thread Length | 1 1/8" |
| Thread Limit | H7 |
| Thread Limit/class Of Fit | H7 |
| Thread Size | 5/16"-18 |
| Thread Standard | Coarse |
| Threads Per Inch | 18 |
Shipping Info:
| Ship weight (kg) | 0.03 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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15078 | #4-40 | 1/2" | 1 7/8" | H3 | Right Hand | 2 | 2.2 mm | Plug | €70.70 | |
![]() |
17557 | #4-40 | 1/2" | 1 7/8" | H11 | Right Hand | 2 | 2.2 mm | Plug | €125.15 | |
![]() |
17673 | #4-40 | 1/2" | 1 7/8" | H3 | Right Hand | 2 | 2.2 mm | Bottoming | €107.58 | |
![]() |
17569 | 1/4"-20 | 1" | 6" | H3 | Right Hand | 2 | #7 | Plug | €109.31 | |
![]() |
15769 | 3/8"-16 | 1 1/4" | 2 15/16" | H11 | Right Hand | 3 | 5/16" | Plug | €45.94 | |
![]() |
15784 | 3/8"-16 | 1 1/4" | 6" | H3 | Right Hand | 3 | 5/16" | Plug | €83.09 | |
![]() |
15841 | 3/8"-24 | 1 1/4" | 2 15/16" | H3 | Left Hand | 3 | 8.5 mm | Plug | €62.90 |
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Contact us
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GRAINGER 15648 Spiral Point Tap, 5/16-18 Thread Size, 1 1/8 Inch Thread Length, 2 23/32 Inch Length
€97.80 /unit


