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Product Specifications:
| Item | Spiral Point Tap |
| 55% Thread Drill Size | 18.2 mm |
| 65% Thread Drill Size | 45/64" |
| 75% Thread Drill Size | 17.5 mm |
| Drill Bit Size | 17.5 mm |
| Extended Neck | Yes |
| Finish | Bright |
| Number Of Flutes | 3 |
| Overall Length | 4 15/32" |
| Shank Dia. | 5/16" |
| Shank Length | 2 15/32" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Spiral Direction | Neutral |
| Square Size | 0.489" |
| System Of Measurement | Metric |
| Tap Chamfer | Plug |
| Tap Finish | Bright |
| Tap Material | High Speed Steel |
| Tap Thread Size | M20 x 2.5 |
| Thread Direction | Right Hand |
| Thread Length | 2" |
| Thread Limit | D7 |
| Thread Limit/class Of Fit | D7 |
| Thread Pitch | 2.5 mm |
| Thread Size | M20 x 2.5 |
| Thread Standard | Metric Coarse |
Shipping Info:
| Ship weight (kg) | 0.2 |
| 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 | |
![]() |
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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GRAINGER 20634 Spiral Point Tap, M20X2.5 Thread Size, 2 Inch Thread Length, 4 15/32 Inch Length
€160.42 /unit


