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Product Specifications:
| Item | Tap |
| 75% Thread Drill Size | 7/16" |
| Coolant Fed | Non Coolant Through |
| Drill Bit Size | 0.422", 0.437", 0.447" |
| Extended Neck | Yes |
| Finish | Vaporized |
| Helix Angle | 30° |
| Material Grade - Machining | Grade VAP |
| Measurement System | Fractional Inch |
| Number Of Flutes | 4 |
| Overall Length | 100 mm |
| Primary Material Application | Stainless Steel, Steel |
| Primary Material Application Iso Code | M, P |
| Secondary Material Application | Cast Iron |
| Secondary Material Application Iso Code | K |
| Shank Dia. | 14.27 mm |
| Shank Length | 41.11 mm |
| Square Size | 10.69 mm |
| Standards | Ansi, Din |
| System Of Measurement | Imperial |
| Tap Chamfer | Modified Bottom, Semi Bottoming |
| Tap Finish | Vap |
| Tap Length Standard | DIN |
| Tap Material | Cobalt |
| Tap Shank Standard | ANSI |
| Tap Style | Pipe |
| Tap Thread Size | 1/4"-18 |
| Thread Direction | Right Hand |
| Thread Length | 20 mm |
| Thread Size | 1/4"-18 |
| Thread Standard | NPT |
| Threads Per Inch | 18 |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 10 |
| Ship width (cm) | 2.54 |
| Country of Origin | DE |
Product Variants
| Product | Model | Thread Size | Number Of Flutes | 75% Thread Drill Size | Thread Length | Overall Length | Tap Finish | Tap Material | Drill Bit Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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A25563-NPT1/16 | 1/16"-27 | 3 | C | 14 mm | 80 mm | Vap | Cobalt | 0.234", 0.242", 0.252" | €201.60 | |
![]() |
A26563-NPTF1/16 | 1/16"-27 | 3 | C | 14 mm | 80 mm | Vap | Cobalt | 0.235", 0.240", 0.252" | €239.45 | |
![]() |
A264602-NPTF1/16 | 1/16"-27 | 3 | C | 14 mm | 80 mm | Vap | High Speed Steel | 0.406" | - | RFQ
|
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AC26361-NPTF1/2 | 1/2"-14 | 5 | 45/64" | 1 1/64" | 4 29/32" | Bright | High Speed Steel E | 0.688", 0.689", 0.722" | €304.22 | |
![]() |
24361-G1/2 | 1/2"-14 | 4 | 45/64" | 15/16" | 4 29/32" | Bright | High Speed Steel E | 0.748" | €215.29 | |
![]() |
24460-G1/2 | 1/2"-14 | 4 | 45/64" | 15/16" | 4 29/32" | Bright | High Speed Steel E | 0.748" | €251.19 | |
![]() |
243612-RP1/2 | 1/2"-14 | 4 | 45/64" | 15/16" | 4 29/32" | Bright | High Speed Steel E | 0.728" | €233.04 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
WALTER TOOLS A25563-NPT1/4 5081178 Pipe And Conduit Thread Tap, 1/4-18 Thread Size, 20 mm Thread Length, Vap, 4 Flutes
€265.16 /unit





