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Product Specifications:
| Item | Straight Flute Tap |
| 55% Thread Drill Size | 5.7 mm |
| 65% Thread Drill Size | 7/32" |
| 75% Thread Drill Size | 5.45 mm |
| Clamping Width | 0.217" |
| Class Of Fit | Class 2B |
| Connection Dia. | 0.276" |
| Coolant Fed | Non Coolant Through |
| Driving Square Length | 0.315" |
| Extended Neck | Yes |
| Functional Length | 3.15" |
| Measurement System | Fractional Inch |
| No. Of Flutes | 3 |
| No. Of Grooves | 3 |
| Overall Length | 3 1/8" |
| Primary Material Application | Aluminum, Brass, Bronze, Composite, Copper |
| Primary Material Application Iso Code | N, O |
| Secondary Material Application | Cast Iron, Hardened Steel, Nickel, Titanium |
| Secondary Material Application Iso Code | H, K, S |
| Shank Dia. | 17/64" |
| Shank Length | 7/8" |
| Shank Type-machining | Straight |
| Spiral Direction | Neutral |
| Square Size | 0.217" |
| System Of Measurement | Imperial |
| Tap Chamfer | Modified Bottoming, Semi Bottoming |
| Tap Finish | TiCN |
| Tap Length Standard | DIN 2184-1 |
| Tap Material | High Speed Steel |
| Tap Shank Standard | DIN 2184-1 |
| Tap Style | Straight Flute Hand |
| Thread Direction | Right Hand |
| Thread Length | 3/4" |
| 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 | 2.244" |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7.94 |
| Ship width (cm) | 2.54 |
| Country of Origin | DE |
Product Variants
| Product | Model | Shank Dia. | Overall Length | Thread Standard | Tap Style | Coolant Fed | Tap Finish | Tap Shank Standard | Tap Length Standard | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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8231106-UNC10 | 6 mm | - | Coarse | Straight Flute Hand | Non Coolant Through | TiCN | DIN 2184-1 | - | €379.03 | |
![]() |
8331106-UNF10 | 6 mm | 70 mm | Fine | Straight Flute Hand | Non Coolant Through | TiCN | DIN 2184-1 | - | €379.03 | |
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8231106-UNC1/4 | 7 mm | 80 mm | Coarse | Straight Flute Hand | Non Coolant Through | TiCN | DIN 2184-1 | DIN 2184-1 | €532.56 | |
![]() |
8231106-UNC3/8 | 10 mm | - | Coarse | Straight Flute Hand | Non Coolant Through | TiCN | DIN 2184-1 | DIN 2184-1 | €851.62 | |
![]() |
8331106-UNF3/8 | 25/64" | 3 17/32" | Fine | Straight Flute Hand | Non Coolant Through | - | DIN 2184-1 | DIN 2184-1 | €851.62 | |
![]() |
8231106-UNC5/16 | - | 90 mm | Coarse | Straight Flute Hand | Non Coolant Through | TiCN | DIN 2184-1 | DIN 2184-1 | €649.64 | |
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8136417-M10X1 | 7 mm | 90 mm | Metric Fine | Straight Flute Hand | Non Coolant Through | Taft | DIN 374 | DIN 374 | €892.00 |
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WALTER TOOLS 8331106-UNF1/4 5079828 Straight Flute Tap, 1/4-28 Thread Size, 3/4 Inch Thread Length, 3 1/8 Inch Length
€532.56 /unit


