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Product Specifications:
| Item | Spiral Flute Tap |
| 55% Thread Drill Size | 5.7 mm |
| 65% Thread Drill Size | 7/32" |
| 75% Thread Drill Size | 5.45 mm |
| Clamping Width | 0.191" |
| Connection Dia. | 0.255" |
| Coolant Fed | Non Coolant Through |
| Drill Bit Size | 0.217" |
| Driving Square Length | 0.313" |
| Extended Neck | Yes |
| Features | For Long Chipping Materials |
| Finish | Titanium Nitride Coated, Vaporized |
| Fits Class | Class 2B |
| Functional Length | 3.15" |
| Helix Angle | 40° |
| Material Grade-machining | Grade TIN, VAP |
| Measurement System | Fractional Inch |
| No. Of Flutes | 3 |
| No. Of Grooves | 3 |
| Overall Length | 3 1/8" |
| Primary Material Application | Cast Iron, Stainless Steel, Steel |
| Primary Material Application Iso Code | K, M, P |
| Secondary Material Application | Aluminum, Brass, Bronze, Composite, Copper, Nickel, Titanium |
| Secondary Material Application Iso Code | N, O, S |
| Shank Dia. | 1/4" |
| Shank Length | 1 31/32" |
| Shank Type | Weldon Flat |
| Shank Type-machining | Weldon Flat |
| Spiral Direction | Right Hand |
| Square Size | 0.191" |
| System Of Measurement | Imperial |
| Tap Chamfer | Modified Bottoming, Semi Bottoming |
| Tap Finish | TiN, Vap |
| Tap Length Standard | DIN |
| Tap Material | High Speed Steel |
| Tap Shank Standard | DIN/ANSI |
| Tap Style | Spiral Flute |
| Tap Thread Size | 1/4"-28 |
| Tap Type | Spiral Flute |
| Thread Direction | Right Hand |
| Thread Length | 5/16" |
| Thread Limit | H3, H4 |
| Thread Limit/class Of Fit | H3, 2B, H4, 2B |
| Thread Size | 1/4"-28 |
| Thread Standard | Fine |
| Thread Type | UNF |
| Threads Per Inch | 28 |
| Usable Length | 1.181" |
Shipping Info:
| Ship weight (kg) | 0.01 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7.94 |
| Ship width (cm) | 2.54 |
| Country of Origin | IN |
Product Variants
| Product | Model | Thread Size | Thread Direction | Thread Limit | Overall Length | 75% Thread Drill Size | Tap Finish | Tap Material | Thread Standard | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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23400-UNF0 | #0-80 | Right Hand | H1 | 40 mm | 1.2 mm | Bright | High Speed Steel | Fine | €109.99 | |
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23410-UNF0 | #0-80 | Right Hand | H1, H2 | 40 mm | 1.2 mm | Bright | High Speed Steel | Fine | €106.75 | |
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AS2251005-UNC10 | #10-24 | Right Hand | H3, H4 | 70 mm | #25 | TiN, Vap | High Speed Steel | Coarse | €70.70 | |
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EP2251302-UNC10 | #10-24 | Right Hand | H3, H4 | 70 mm | #25 | THL | High Speed Steel | Coarse | €87.87 | |
![]() |
22410-UNC10 | #10-24 | Right Hand | H3, H4 | 70 mm | #25 | Bright | High Speed Steel | Coarse | €68.67 | |
![]() |
AEP2251302-UNC10 | #10-24 | Right Hand | H3, H4 | 70 mm | #25 | THL | High Speed Steel | Coarse | €87.87 | |
![]() |
TC115-UNC10-C0-WY80AA | #10-24 | Right Hand | H3, H4 | 70 mm | #25 | TiN | High Speed Steel | Coarse | €32.73 |
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Contact us
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WALTER TOOLS AS2351005-UNF1/4 Spiral Flute Tap, 1/4-28 Thread Size, 5/16 Inch Thread Length, 3 1/8 Inch Length
€88.88 /unit





