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Product Specifications:
| Item | Tap |
| 55% Thread Drill Size | #44 |
| 65% Thread Drill Size | #46 |
| 75% Thread Drill Size | 2.1 mm |
| Coolant Fed | Non Coolant Through |
| Extended Neck | Yes |
| Extended Shank | Yes |
| Material Grade - Machining | Vanadium High Speed Steel |
| Number Of Flutes | 3 |
| Overall Length | 70 mm |
| Primary Material Application | Steel |
| Primary Material Application Iso Code | P |
| Shank Dia. | 1.7 mm |
| Shank Length | 19 mm |
| Spiral Direction | Neutral |
| Square Size | 1.3 mm |
| Standards | Din 357 |
| System Of Measurement | Metric |
| Tap Chamfer | Taper |
| Tap Finish | Bright Uncoated |
| Tap Length Standard | DIN 13, ISO 2 |
| Tap Material | HSS E |
| Tap Shank Standard | DIN 13, ISO 2 |
| Tap Thread Size | M2.5 x 0.45 |
| Tap Type | Spiral Point |
| Thread Direction | Right Hand |
| Thread Length | 20 mm |
| Thread Limit | D3 |
| Thread Size | M2.5 x 0.45 |
| Thread Standard | Metric Coarse |
Shipping Info:
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7 |
| Ship width (cm) | 2.54 |
| Country of Origin | DE |
Product Variants
| Product | Model | Overall Length | Shank Dia. | Primary Material Application | Number Of Flutes | Thread Length | Tap Finish | Tap Length Standard | Tap Shank Standard | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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2084805-M10 | 271 mm | 8 mm | Steel | 5 | 36 mm | Tin | DIN 13 | DIN 13 | €217.69 | |
![]() |
20844-M10 | 271 mm | 8 mm | Stainless Steel | 5 | 36 mm | Black Oxide | DIN 13 | DIN 13 | - | RFQ
|
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20890-M10 | 140 mm | 7 mm | Steel | 3 | 45 mm | Bright Uncoated | DIN 13, ISO 2 | DIN 13, ISO 2 | €160.04 | |
![]() |
20844-M12 | 271 mm | 9.4 mm | Stainless Steel | 5 | 42 mm | Black Oxide | DIN 13 | DIN 13 | - | RFQ
|
![]() |
20890-M12 | 180 mm | 9 mm | Steel | 3 | 50 mm | Bright Uncoated | DIN 13, ISO 2 | DIN 13, ISO 2 | €206.60 | |
![]() |
20890-M16 | 200 mm | 12 mm | Steel | 3 | 63 mm | Bright Uncoated | DIN 13, ISO 2 | - | €301.26 | |
![]() |
20890-M2 | 66 mm | 1.4 mm | Steel | 3 | 16 mm | Bright Uncoated | DIN 13, ISO 2 | DIN 13, ISO 2 | €138.64 |
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Contact us
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WALTER TOOLS 20890-M2.5 5077158 Extension Tap, M2.5X0.45 Thread Size, 20 mm Thread Length, 70 mm Length
€120.97 /unit


