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Product Specifications:
| Item | Spiral Point Tap |
| 55% Thread Drill Size | 8.4 mm |
| 65% Thread Drill Size | P |
| 75% Thread Drill Size | 5/16" |
| Drill Bit Size | 0.3144" |
| Extended Neck | Yes |
| Finish | Bright |
| Fits Class | Class 3B |
| Measurement System | Fractional Inch |
| Number Of Flutes | 3 |
| Overall Length | 6" |
| Shank Dia. | 3/16" |
| Shank Length | 4 3/4" |
| Spiral Direction | Neutral |
| Square Size | 0.286" |
| System Of Measurement | Imperial |
| Tap Chamfer | Plug |
| Tap Finish | Bright |
| Tap Material | High Speed Steel |
| Tap Thread Size | 3/8"-16 |
| Thread Direction | Right Hand |
| Thread Length | 1 1/4" |
| Thread Limit | H3 |
| Thread Limit / Class Of Fit | H3, 3B |
| Thread Size | 3/8"-16 |
| Thread Standard | Coarse |
| Threads Per Inch | 16 |
Shipping Info:
| Ship weight (kg) | 0.09 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
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 | |
![]() |
15841 | 3/8"-24 | 1 1/4" | 2 15/16" | H3 | Left Hand | 3 | 8.5 mm | Plug | €62.90 | |
![]() |
15876 | 3/8"-32 | 1 1/4" | 2 15/16" | H3 | Right Hand | 3 | - | Plug | €72.27 |
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Contact us
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GRAINGER 15784 Spiral Point Tap, 3/8-16 Thread Size, 1 1/4 Inch Thread Length, 6 Inch Length
€83.09 /unit


