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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 |
| Coolant Fed | Non Coolant Through |
| Extended Neck | Yes |
| Finish | Black Oxide |
| List Number | 302 |
| Material | High Speed Steel |
| Material Grade - Machining | Grade 302 |
| Measurement System | Fractional Inch |
| Number Of Flutes | 3 |
| Overall Length | 2 23/32" |
| Pitch Diameter Limits | H3 |
| Pitch Type | 28 |
| Primary Material Application | Stainless Steel, Steel |
| Primary Material Application Iso Code | M, P |
| Shank Dia. | 5/16" |
| Shank Length | 1 19/32" |
| Shank Type - Machining | Straight |
| Square Size | 0.238" |
| Tap Chamfer | Bottoming |
| Tap Finish | Black Oxide |
| Tap Material | High Speed Steel |
| Tap Style | Spiral Flute |
| Tap Thread Size | 1/4"-28 |
| Tap Type | Bottoming |
| Thread Direction | Right Hand |
| Thread Length | 1/2" |
| Thread Limit | H3 |
| Thread Size | 1/4"-28 |
| Thread Standard | Unf |
| Thread Type | STI |
| Threads Per Inch | 28 |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 7.62 |
| Ship width (cm) | 1.27 |
| HS code | 8207400000 |
Product Variants
| Model | Overall Length | Number Of Flutes | Thread Size | Thread Length | 75% Thread Drill Size | Thread Limit | Shank Dia. | Pitch Diameter Limits | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 0145901 | 2 1/2" | 3 | #10-32 | 13/32" | #21 | H4 | 1/4" | H4 | €80.18 | |
| 0146001 | 2 23/32" | 3 | 1/4"-20 | 1/2" | #7 | H2 | 5/16" | H2 | €87.53 | |
| 0146101 | 2 23/32" | 3 | 1/4"-20 | 1/2" | #7 | H3 | 5/16" | H3 | €88.91 | |
| 0146201 | 2 23/32" | 3 | 1/4"-28 | 1/2" | 5.45 mm | H2 | 5/16" | H2 | €87.65 | |
| 0144701 | 1 7/8" | 2 | #2-56 | 11/64" | 1.73 mm | H2 | 9/64" | H2 | €134.01 | |
| 0144801 | 2" | 3 | #4-40 | 1/4" | 2.2 mm | H2 | 9/64" | H2 | €98.53 | |
| 0144901 | 2 3/8" | 3 | #6-32 | 5/16" | #36 | H2 | 3/16" | H2 | €80.89 |
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Contact us
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OSG 0146301 Spiral Flute Tap Bottom 1/4 Inch x 28 S/o
€90.29 /unit
