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Product Specifications:
| Item | Tap |
| 55% Thread Drill Size | #3 |
| 65% Thread Drill Size | #5 |
| 75% Thread Drill Size | #7 |
| Coolant Fed | Non Coolant Through |
| Cutting Direction - Machining | Right Hand |
| Extended Neck | Yes |
| Extended Shank | Yes |
| Finish | Black Oxide |
| List Number | 398 |
| Material Grade - Machining | Vanadium High Speed Steel |
| Measurement System | Fractional Inch |
| No. Of Pieces | 1 |
| Number Of Flutes | 3 |
| Overall Length | 4" |
| Primary Material Application | Stainless Steel, Steel |
| Primary Material Application Iso Code | M, P |
| Shank Dia. | 1/4" |
| Shank Length | 2 1/2" |
| Square Size | 0.191" |
| System Of Measurement | Imperial |
| Tap Chamfer | Modified Bottom |
| Tap Finish | Black Oxide |
| Tap Grouping | Tap |
| Tap Length Standard | ANSI |
| Tap Material | High Speed Steel E |
| Tap Shank Standard | ANSI |
| Tap Style | Spiral Flute |
| Tap Thread Size | 1/4"-20 |
| Tap Type | Spiral Flute |
| Thread Direction | Right Hand |
| Thread Length | 25/64" |
| Thread Limit | H3 |
| Thread Size | 1/4"-20 |
| Thread Standard | Coarse |
| Threads Per Inch | 20 |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Thread Size | Number Of Flutes | Overall Length | Thread Length | Thread Limit | Tap Finish | 75% Thread Drill Size | Shank Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
1294600 | #10-24 | 2 | 6" | 1/2" | H3 | Bright | #25 | 5 1/8" | €115.00 | |
![]() |
1764501 | #10-24 | 3 | 4" | 31/64" | H3 | Black Oxide | #23 | 2 11/16" | €100.78 | |
![]() |
1764601 | #10-24 | 3 | 6" | 31/64" | H3 | Black Oxide | #23 | 4 11/16" | €109.52 | |
![]() |
1625510226 | #10-24 | - | 3 15/16" | 33/64" | H6 | V | 4.27 mm | 2 31/32" | - | RFQ
|
![]() |
1625510426 | #10-24 | - | 5 29/32" | 33/64" | H6 | V | 4.27 mm | 4 15/16" | €169.10 | |
![]() |
1652501108 | #10-24 | 2 | 4 29/32" | 5/16" | H3 | V | #25 | 3 15/16" | €93.78 | |
![]() |
1767101 | #10-24 | 3 | 4" | 5/16" | H3 | Black Oxide | #25 | 2 11/16" | €100.88 |
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OSG 1767901 Extension Tap, 1/4-20 Inch Thread Size, 25/64 Inch Thread Length, 4 Inch Length
€94.41 /unit





