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| Brand Name: | XRTOOLS |
| Model Number: | No.2-56 |
| MOQ: | 100 SET |
| Price: | $0.85-$45.55/SET |
| Delivery Time: | 25-30 days |
| Payment Terms: | L/C, T/T, Western Union |
Our ANSI B94.11 Standard Taps are engineered specifically for the North American and Middle Eastern industrial markets. Whether you are producing specialized automotive parts or aerospace components, our Unified Coarse (UNC) and Unified Fine (UNF) taps provide the extreme precision required for American-standard fasteners.
Forged from premium HSS-M2 or HSS-E M35 Cobalt, these taps are precision-ground to meet GH (Ground High) limits, ensuring a perfect Class 2B or 3B fit. Available in Straight Flute, Spiral Point, or Spiral Flute geometries to handle any industrial tapping challenge.
| Size (Inches) | UNC (Coarse TPI) | UNF (Fine TPI) | Standard | Shank Ø (Inch) | Square (Inch) | Overall Length |
| #4 (0.112) | 40 | 48 | ANSI | 0.141 | 0.110 | 1-7/8" |
| #6 (0.138) | 32 | 40 | ANSI | 0.141 | 0.110 | 2" |
| #10 (0.190) | 24 | 32 | ANSI | 0.194 | 0.152 | 2-3/8" |
| 1/4" | 20 | 28 | ANSI | 0.255 | 0.191 | 2-1/2" |
| 5/16" | 18 | 24 | ANSI | 0.318 | 0.238 | 2-23/32" |
| 3/8" | 16 | 24 | ANSI | 0.381 | 0.286 | 2-15/16" |
| 1/2" | 13 | 20 | ANSI | 0.367 | 0.275 | 3-3/8" |
| 5/8" | 11 | 18 | ANSI | 0.480 | 0.360 | 3-13/16" |
| 3/4" | 10 | 16 | ANSI | 0.590 | 0.442 | 4-1/4" |
| 1" | 8 | 12 | ANSI | 0.800 | 0.600 | 5-1/8" |
Substrate Excellence:
HSS-M2: The workhorse for mild steel and aluminum.
HSS-E M35 (5% Cobalt): Essential for Stainless Steel (304/316) and High-Tensile Alloys common in the US oil & gas industry.
Surface Treatments: Available in Bright Finish (maximum sharpness), Steam Oxide (prevents galling), or TiN/TiCN/TiAlN coatings for high-speed CNC automated lines.
GH Limits Control: Strictly adhering to GH1 to GH5 limits to ensure the finished thread meets American Class 2B (General Purpose) or Class 3B (Precision Aerospace) fit.
Automotive (US-Spec): Ideal for Ford, GM, and Chrysler vehicle maintenance and component production.
Oil & Gas Industry: Heavy-duty UNC threads for high-pressure valves and drill pipe connectors.
Aerospace & Defense: UNF (Fine) series provides the vibration resistance and high-tensile strength required for critical fasteners.
Maintenance & Repair (MRO): A staple tool for any workshop across the USA, Canada, and Mexico.
Retail-Ready Cases: Each tap is vacuum-sealed and housed in a durable Rose-Box plastic case with ANSI-standard labeling (Size + TPI + Material + Grade).
Corrosion Protection: Treated with premium anti-rust oil for a 36-month shelf life, ensuring no oxidation during maritime transit across the Pacific or Atlantic.
OEM Marking: High-definition Laser Marking (e.g., 1/2-13 UNC HSS-E) on the shank to match US distributor requirements.
Q: Is ANSI the same as ISO or DIN?
A: No. ANSI taps use inch-based diameters and shank dimensions. You must use an American Standard Collet/Holder; European or Japanese holders may not fit correctly.
Q: What is the difference between UNC and UNF?
A: UNC (Unified Coarse) is for general-purpose applications where rapid assembly is needed. UNF (Unified Fine) provides better adjustment precision and higher strength, common in the automotive and aviation sectors.
Q: Can these taps handle stainless steel 316?
A: Yes, our HSS-E M35 Cobalt version is specifically designed to handle the work-hardening properties of stainless steel, especially when paired with Steam Oxide or TiCN coatings.
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