Extension Tap 1/4 -20 HSS MPN:1290001
Extension Tap 1/4 -20 HSS
The black-oxide finish on these taps retains lubricants to improve the taps' wear resistance and chip flow. Black-oxide taps should only be used on ferrous metals. High-speed steel taps provide good wear resistance in general purpose tapping applications in a range of materials.
Technical Specifications
- Item Extension Tap
- Thread Size 1/4"-20
- Thread Standard UNC
- Tap Finish Black Oxide
- Overall Length 6 in
- Thread Length 1 in
- 75% Thread Drill Size #7
- Thread Limit H3
- Thread Direction Right Hand
- Number of Flutes 4
- 55% Thread Drill Size #3
- 65% Thread Drill Size #5
- Coolant Fed Non-Coolant Through
- Extended Neck Yes
- Extended Shank Yes
- Spiral Direction Neutral
- Material Grade - Machining 916
- Measurement System Fractional Inch
- Primary Material Application All Materials
- Primary Material Application ISO Code H, K, M, N, O, P, S
- Secondary Material Application Cast Iron, High Carbon Steel, Low Carbon Steel, Medium Carbon Steel
- Secondary Material Application ISO Code K, P
- Series 916
- Shank Dia. 1/4 in
- Shank Length 4 19/64 in
- Square Size 0.1900 in
- Standards ANSI
- Tap Chamfer Plug
- Tap Grouping Individual
- Tap Length Standard ANSI
- Tap Material High Speed Steel
- Tap Shank Standard ANSI
- Tap Style Straight Flute (Hand)
- Tap Thread Size 1/4"-20
- Tap Type Straight Flute
- Threads per Inch 20 TPI
Manufacturer Details
- Manufacturer: Osg
- Condensed Mfg Number: 1290001
- MPN: 1290001
Label Details
- Hazardous Material: N
- Green Material Flag: N
- Country of Origin: MX
- CA Prop 65 Wht Label: N
Classification Details
- Harmonization Code: 8207406000
- GDS Category Name: Extension Taps
- GDS Family Name: Threading
- GDS Segment Name: Machining
- UNSPSC: 23153305
- UNSPSC Class ID: 33
- UNSPSC Commodity Name: Cutting tools
- UNSPSC Commodity ID: 05
- UNSPSC Commodity Name: Taps or dies
- UNSPSC Family ID: 15
- UNSPSC Family Name: Industrial process machinery and equipment and supplies
- UNSPSC Segment ID: 23
- UNSPSC Segment Name: Industrial Manufacturing and Processing Machinery and Accessories
Shipping Details
- Not For Sale In: HI AK PR
Product info last updated on October 20, 2023 3:49pm UTC
Category: Threading