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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 |
| Class Of Fit | Class 3B |
| Coolant Fed | Non Coolant Through |
| Extended Neck | Yes |
| Finish | Diamond |
| List Number | 329 |
| Material | Carbide |
| Measurement System | Fractional Inch |
| Number Of Flutes | 4 |
| Overall Length | 3 7/32" |
| Pitch Diameter Limits | 3B |
| Pitch Type | 28 |
| Primary Material Application | Aluminum, Brass, Bronze, Copper |
| Primary Material Application Iso Code | N |
| Shank Dia. | 1/4" |
| Shank Length | 2 1/32" |
| Shank Type - Machining | Straight |
| Spiral Direction | Neutral |
| Square Size | 0.19" |
| Tap Chamfer | Modified Bottoming |
| Tap Finish | Diamond |
| Tap Length Standard | DIN |
| Tap Material | High Speed Steel |
| Tap Shank Standard | ANSI |
| Tap Style | Straight Flute (Hand) |
| Tap Type | Modified Bottom |
| Thread Direction | Right Hand |
| Thread Length | 9/16" |
| Thread Limit | 3B |
| Thread Limit/class Of Fit | 3B, 3B |
| Thread Size | 1/4"-28 |
| Thread Standard | Unf |
| Thread Type | Fine |
| Threads Per Inch | 28 |
Shipping Info:
| Ship weight (kg) | 0.04 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 7.62 |
| Ship width (cm) | 1.27 |
| HS code | 8207400000 |
Product Variants
| Model | Thread Length | Overall Length | Number Of Flutes | Thread Size | 75% Thread Drill Size | Thread Limit | Shank Dia. | Thread Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 3291216 | 1/4" | 2 1/4" | 3 | #4-40 | 2.2 mm | 3B | 9/64" | Coarse | €577.75 | |
| 3291316 | 5/16" | 2 1/4" | 3 | #6-32 | #36 | 3B | 9/64" | Coarse | €616.81 | |
| 3291416 | 5/16" | 2 17/32" | 3 | #8-32 | 3.4 mm | 3B | 5/32" | Coarse | €781.56 | |
| 3291516 | 1/2" | 2 13/16" | 4 | #10-24 | #25 | 3B | 3/16" | Coarse | €791.95 | |
| 3291616 | 7/8" | 2 3/4" | 4 | - | - | - | 0.194" | Fine | €791.95 | |
| 3291716 | 9/16" | 3 7/32" | 4 | 1/4"-20 | #7 | 3B | 1/4" | Coarse | €812.90 | |
| 3297016 | 1/4" | 2 1/4" | 3 | #4-40 | 2.2 mm | 2B | 9/64" | Coarse | €577.75 |
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OSG 3291816 Straight Flute Tap Modified Bottoming 1/4 Inch x 28 Dia
€812.90 /unit
