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Product Specifications:
| Item | Spiral Point 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 |
| Drill Bit Size | 0.2129", 0.2152", 0.2175", 0.2198", 0.2222" |
| Extended Neck | Yes |
| Finish | Black Oxide |
| Fits Class | Class 6H |
| Measurement System | Fractional Inch |
| Number Of Flutes | 3 |
| Overall Length | 2 1/2" |
| Primary Material Application | Hardened Steel, Stainless Steel, Steel |
| Primary Material Application Iso Code | H, M, P3 |
| Secondary Material Application | Hardened Steel, Nickel, Steel, Titanium |
| Secondary Material Application Iso Code | H, M, P, S |
| Shank Dia. | 1/8" |
| Shank Length | 1 15/32" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Spiral Direction | Neutral |
| Square Size | 0.19" |
| System Of Measurement | Imperial |
| Tap Chamfer | Plug |
| Tap Finish | Black Oxide |
| Tap Material | High Strength Steel |
| Tap Thread Size | 1/4"-28 |
| Thread Direction | Right Hand |
| Thread Length | 9/16" |
| Thread Limit | H3 |
| Thread Limit / Class Of Fit | H3, 6H |
| Thread Size | 1/4"-28 |
| Thread Standard | Fine |
| Threads Per Inch | 28 |
Shipping Info:
| Ship weight (kg) | 0.01 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Thread Size | Thread Direction | Number Of Flutes | Thread Length | Overall Length | Tap Finish | Thread Limit | 75% Thread Drill Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
2805608 | #2-56 | Right Hand | 2 | 3/8" | 1 3/4" | TiCN | H2 | 1.73 mm | €59.92 | |
![]() |
2811408 | #4-40 | Right Hand | 2 | 1/4" | 1 27/32" | TiCN | H3 | 2.2 mm | €40.60 | |
![]() |
2835408 | 1/4"-28 | Right Hand | 3 | 9/16" | 2 1/2" | TiCN | H4 | 5.45 mm | €42.08 | |
![]() |
2844008 | 7/8"-9 | Right Hand | 3 | 1 5/16" | 4 21/32" | TiCN | H5 | 19.5 mm | €289.14 | |
![]() |
2852001 | 1 1/2"-8 | Right Hand | 4 | 2" | 6 11/32" | Black Oxide | H6 | 1.3782" | €1,096.75 | |
![]() |
2891101 | M7 x 1 | Right Hand | 3 | 12 mm | 69 mm | Black Oxide | D5 | 6 mm | €53.12 | |
![]() |
2888205 | M5 X 0.8 | Right Hand | 2 | 13 mm | 60 mm | Tin | 6H | 4.2 mm | €32.68 |
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Contact us
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OSG 1757701 Spiral Point Tap, 1/4-28 Thread Size, 9/16 Inch Thread Length, 2 1/2 Inch Length
€60.49 /unit



