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Product Specifications:
| Item | Spiral Flute Tap |
| 55% Thread Drill Size | #44 |
| 65% Thread Drill Size | 2.13 mm |
| 75% Thread Drill Size | #46 |
| Class Of Fit | Class 2B |
| Coolant Fed | Non Coolant Through |
| Drill Bit Size | 0.0804", 0.0816", 0.0828", 0.0839", 0.0851" |
| Extended Neck | Yes |
| Finish | Bright |
| Helix Angle | 50° |
| List Number | 298 |
| Material | High Speed Steel |
| Material Grade - Machining | Grade 297 |
| Measurement System | Pipe |
| Number Of Flutes | 2 |
| Overall Length | 1 13/16" |
| Pitch Diameter Limits | 2B |
| Pitch Type | 56 |
| Primary Material Application | Steel |
| Primary Material Application Iso Code | P1, P2 |
| Secondary Material Application | Aluminum, Brass, Bronze, Copper |
| Secondary Material Application Iso Code | N |
| Shank Dia. | 9/64" |
| Shank Length | 1 5/16" |
| Shank Type - Machining | Straight |
| Size | #3 |
| Square Size | 0.11" |
| Tap Chamfer | Bottoming |
| Tap Finish | Bright |
| Tap Material | High Speed Steel |
| Tap Style | Spiral Flute |
| Tap Thread Size | #3-56 |
| Tap Type | Bottoming |
| Thread Direction | Right Hand |
| Thread Limit/class Of Fit | 2B |
| Thread Size | #3-56 |
| Thread Standard | Unf |
| Thread Type | Fine |
| Threads Per Inch | 56 |
Shipping Info:
| Ship height (cm) | 0.76 |
| Ship length (cm) | 6.35 |
| Ship width (cm) | 0.76 |
| HS code | 8207400000 |
Product Variants
| Product | Model | Number Of Flutes | Thread Length | Overall Length | Thread Size | Tap Finish | Thread Limit | 75% Thread Drill Size | Shank Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
1430105 | 3 | 5/8" | 2 1/2" | 1/4"-20 | Tin | H3 | #7 | 1/4" | €39.71 | |
![]() |
1645514207 | 3 | 16 mm | 110 mm | M14 x 2 | Tin | D7 | 12 mm | 10.89 mm | €224.64 | |
![]() |
1645516205 | 3 | 16 mm | 110 mm | M16 x 2 | Tin | D5 | 14 mm | 12.19 mm | €249.37 | |
![]() |
1645516207 | 3 | 16 mm | 110 mm | M16 x 2 | Tin | D7 | 14 mm | 12.19 mm | €249.37 | |
![]() |
1645518257 | 4 | 25 mm | 125 mm | M18 x 2.5 | Tin | D7 | 16.5 | 13.76 mm | €345.18 | |
![]() |
0142008 | 2 | 3/16" | 2" | #6-32 | TiCN | H4 | #36 | 9/64" | €59.46 | |
![]() |
0142108 | 2 | 3/4" | 2 1/8" | - | - | - | - | 0.168" | €59.46 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
OSG 2984600 Spiral Flute Tap Bottom #3x56 Bright
€37.35 /unit



