FREE delivery on orders over €150
Product Specifications:
| Item | Straight Flute Tap |
| 55% Thread Drill Size | #3 |
| 65% Thread Drill Size | #5 |
| 75% Thread Drill Size | #7 |
| Coolant Fed | Non Coolant Through |
| Extended Neck | No |
| Finish | Bright |
| Material | High Speed Steel |
| Material Grade - Machining | Grade 126 |
| Measurement System | Fractional Inch |
| Number Of Flutes | 3 |
| Overall Length | 2 23/32" |
| Pitch Diameter Limits | H3 |
| Pitch Type | 20 |
| Primary Material Application | All Materials |
| Primary Material Application Iso Code | H, K, M, N, O, P, S |
| Secondary Material Application | Aluminum, Brass, Bronze, Cast Iron, Copper, Steel |
| Secondary Material Application Iso Code | K, N, P |
| Shank Dia. | 5/16" |
| Shank Length | 1 25/64" |
| Shank Type - Machining | Straight |
| Spiral Direction | Neutral |
| Square Size | 0.238" |
| Tap Chamfer | Bottoming |
| Tap Finish | Bright |
| Tap Material | High Speed Steel |
| Tap Style | Straight Flute (Hand) |
| Tap Thread Size | 1/4"-20 |
| Tap Type | Bottoming |
| Thread Direction | Right Hand |
| Thread Length | 3/4" |
| Thread Limit | H3 |
| Thread Size | 1/4"-20 |
| Thread Standard | UNC |
| Thread Type | STI |
| Threads Per Inch | 20 |
Shipping Info:
| Ship height (cm) | 1.27 |
| Ship length (cm) | 7.62 |
| Ship width (cm) | 1.27 |
| HS code | 8207400000 |
Product Variants
| Product | Model | Number Of Flutes | Thread Length | Overall Length | Thread Size | Thread Limit | 75% Thread Drill Size | Pitch Diameter Limits | Tap Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
1050000 | 2 | 1/4" | 1 5/8" | #0-90 | H1 | - | H1 | Plug | €88.18 | |
![]() |
1080000 | 2 | 1/4" | 1 5/8" | #0-96 | H1 | - | H1 | Plug | €88.18 | |
![]() |
1320000 | 2 | 1/4" | 1 5/8" | #0-90 | H2 | - | H2 | Plug | €88.18 | |
![]() |
2056000 | 2 | 1/4" | 1 5/8" | #0-96 | H2 | - | H2 | Plug | €88.18 | |
![]() |
1010800 | 2 | 5/16" | 1 21/32" | #1-72 | H2 | #53 | H2 | Bottoming | €29.97 | |
![]() |
1050800 | 3 | 9/16" | 2 11/32" | #10-24 | H3 | #25 | H3 | Bottoming | €16.11 | |
![]() |
1051000 | 3 | 7/8" | 2 3/8" | - | - | - | H3 | Plug | €16.30 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
OSG 1812100 Straight Flute Tap Bottom 1/4 Inch x 20 Bright
€41.02 /unit



