STI Tap 1/4 -28 HSS MPN:4FPB
STI Tap 1/4 -28 HSS
Boasting superior precision-engineered perfection, our premium tap is constructed from high-speed steel for unbeatable durability. With a versatile construction designed to handle even the most demanding applications, this tool is ideal for machinists across various industries such as aerospace, automotive, and industrial manufacturing. Its key specifications include an outer diameter of 0.875 inches and a free length of 1.5 inches, making it the perfect fit for any precision-driven screw thread insert STI tap application. Choose STI for superior quality that delivers consistent results time after time.
High-speed steel STI taps provide good wear resistance in general purpose tapping applications in a range of materials. These taps have a bright finish that provides a smooth, polished surface.
Technical Specifications
- Item Screw Thread Insert STI Tap
- Thread Size 1/4"-28
- Thread Standard UNF
- Tap Material High Speed Steel
- Tap Finish Bright (Uncoated)
- Thread Length 1 1/8 in
- Overall Length 2 23/32 in
- Tap Chamfer Plug
- Thread Limit H2
- Thread Direction Right Hand
- Number of Flutes 3
- 55% Thread Drill Size 5.70 mm
- 65% Thread Drill Size 7/32 in
- 75% Thread Drill Size 5.45 mm
- Extended Neck Yes
- Features The Sti Taps Supplied For Standard Thread Repair Look Like Conventional Taps And May Be Used With The Same Tap Handle As Conventional Taps
- Measurement System Fractional Inch
- Shank Dia. 5/16 in
- Shank Type - Machining Straight
- Spiral Direction Neutral
- Standards ANSI, ISO 14001, ISO 9001, OS 9000
- Tap Grouping Individual
- Tap Style Straight Flute (Hand)
- Tap Thread Size 1/4"-28
- Threads per Inch 28 TPI
Manufacturer Details
- Manufacturer: Helicoil
- Condensed Mfg Number: 4FPB
- MPN: 4FPB
Label Details
- Hazardous Material: N
- Green Material Flag: N
- Country of Origin: US
- CA Prop 65 Wht Label: N
Classification Details
- Harmonization Code: 8207406000
- GDS Category Name: Screw Thread Insert STI 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 April 4, 2024 6:44am UTC
Category: Threading