Description
YG-1 TRR11185GS Prime Tap Short Chamfer X-Coated HSS-PM Forming Tap #4-48 UNF H5
L. Dewitt's SKU #: TRR11185GS | Mfr Part #: TRR11185GSPrime Tap is YG-1's premium HSS-PM X-coated CNC tap line for practical production threading in ductile materials. YG-1 TRR11185GS Prime Tap Short Chamfer X-Coated HSS-PM Forming Tap #4-48 UNF H5 helps shops solve chip control limits, thread strength concerns, surface finish variation, tap wear, torque spikes, and downtime in production tapping with chipless forming geometry that displaces material instead of cutting chips, premium powder-metal toughness, and high heat and wear resistance.
- CNC machinists and programmers selecting taps by hole type, material, thread size, pitch limit, chamfer, coolant, and cycle stability.
- Production teams reducing tap wear, broken tools, thread rejects, downtime, and inconsistent thread finish.
- Tool crib and purchasing teams matching exact YG-1 EDP numbers to repeatable production setups.
- Job shops and MRO buyers standardizing premium HSS-PM taps across steels, stainless steels, cast irons, aluminum, and copper alloys.
TRR11185GS: YG-1 TRR11185GS Prime Tap Short Chamfer X-Coated HSS-PM Forming Tap #4-48 UNF H5 is a YG-1 HSS-PM forming tap for forming internal threads by material displacement in ductile materials without creating chips. Use this model when practical tapping results matter: stable entry, predictable torque, clean threads, and easier replacement matching.
Why This Model
Choose this model when the job calls for thread forming instead of chip-making. Forming taps can improve thread strength and surface finish in suitable ductile materials while removing chip evacuation as a failure point.
Technical Specifications
| Brand | YG-1 |
| Product Family | Prime Tap |
| Product Group | Prime Tap Forming Short Chamfer |
| Tool Type | HSS-PM forming tap |
| Tool Style | X-coated chipless forming tap short chamfer |
| Application | forming internal threads by material displacement in ductile materials without creating chips |
| Coating | X-Coating |
| Substrate | HSS-PM |
| Manufacturer Part Number | TRR11185GS |
| Measurement System | Inch |
| Package Unit | 1 |
| Series | TRR11 |
| Thread Family | UNC / UNF |
| Thread Designation | UNF |
| Length Style | ANSI/DIN |
| Thread Size | #4-48 |
| Threads Per Inch | 48 |
| Pitch Limit | H5 |
| Tool Material | HSS-PM |
| Helix Angle | Chipless forming geometry |
| Thread Angle | 60 degrees |
| Chamfer Form | Form E |
| Chamfer Lead | 1P-2P |
| Coolant Style | Without Coolant |
| Hole Type | Blind or through hole up to 3xD |
| Overall Length | 56.0 mm |
| Size | #4-48UNF H5 56.0L |
What This Solves
- Chipless thread production. Forming geometry creates threads by material displacement, so there are no chips to pack in the hole.
- More stable CNC tapping. HSS-PM substrate and X-Coating support wear resistance, heat resistance, and process stability.
- Faster replacement matching. Thread family, pitch, pitch limit, chamfer lead, coolant style, and series are grouped for purchasing and setup verification.
- Results after use. Correct selection supports stronger formed threads, improved surface finish, stable tool life, and repeatable production tapping in ductile materials.
Common Applications
- Chipless forming in ductile steels, stainless steels, cast irons, aluminum alloys, and copper alloys
- Production threads where surface finish, thread strength, and process repeatability are priorities
- CNC machining centers, production tapping, repair workflows, and repeat part programs
- Replacement matching by EDP, thread size, pitch or TPI, pitch limit, and coolant requirement
Quick Answer
YG-1 TRR11185GS Prime Tap Short Chamfer X-Coated HSS-PM Forming Tap #4-48 UNF H5 is a YG-1 Prime Tap product used for forming internal threads by material displacement in ductile materials without creating chips. It supports stronger formed threads, improved surface finish, stable tool life, and repeatable production tapping in ductile materials.
- Product Family: Prime Tap
- Product Group: Prime Tap Forming Short Chamfer
- Tool Type: HSS-PM forming tap
- Tool Style: X-coated chipless forming tap short chamfer
- Coating: X-Coating
- Substrate: HSS-PM
- Manufacturer Part Number: TRR11185GS
- Thread Family: UNC / UNF
- Thread Designation: UNF
- Thread Size: #4-48
- Threads Per Inch: 48
- Pitch Limit: H5
- Tool Material: HSS-PM
- Helix Angle: Chipless forming geometry
- Chamfer Form: Form E
- Chamfer Lead: 1P-2P
- Coolant Style: Without Coolant
- Hole Type: Blind or through hole up to 3xD
- Overall Length: 56.0 mm
- Availability: In Stock - Estimated Delivery in 3-5 Business Days
Common Questions
What is the YG-1 TRR11185GS?
TRR11185GS is a YG-1 Prime Tap made from premium HSS-PM with X-Coating for CNC threading in ductile materials.
Where should this tap be used?
Use this model for forming internal threads by material displacement in ductile materials without creating chips. Confirm the selected hole type, material, thread size, and pitch limit before ordering.
What makes Prime Tap different?
Prime Tap combines premium powder-metal HSS, YG-1 thread geometry, optimized edge preparation, and X-Coating to reduce wear, support process stability, and improve thread finish.
How do I confirm the correct replacement?
Match EDP TRR11185GS, thread size, pitch or TPI, pitch limit, chamfer lead, coolant style, tap drill size, work material, holder alignment, and tapping speed before ordering.
Image reference: YG-1 Prime Tap product TRR11185GS.
Need Help Matching a Prime Tap?
Send us the EDP, thread size, pitch limit, hole type, coolant requirement, and work material. L. Dewitt McCarter, Inc. can help verify the correct YG-1 Prime Tap for your tapping application.
Contact Our Technical TeamAdditional Information
Manufacturer: |
YG-1 |
Manufacturer Part Number: |
TRR11185GS |
Product Family: |
Prime Tap |
Product Group: |
Prime Tap Forming Short Chamfer |
Tool Category: |
Prime Tap |
Application Family: |
forming internal threads by material displacement in ductile materials without creating chips |
Tool Type: |
HSS-PM forming tap |
Tool Style: |
X-coated chipless forming tap short chamfer |
Package Unit: |
1 |
Series: |
TRR11 |
Size: |
#4-48UNF H5 56.0L |
Tool Material: |
HSS-PM |
Thread Angle: |
60 degrees |
Tool Family: |
Forming |
Thread Family: |
UNC / UNF |
Chamfer Form: |
Form E |
Chamfer Lead: |
1P-2P |
Coolant Style: |
Without Coolant |
Thread Limit Style: |
H |
Length Style: |
ANSI/DIN |
Hole Type: |
Blind or through hole up to 3xD |
Helix Angle: |
Chipless forming geometry |
Measurement System: |
Inch |
Pitch Limit: |
H5 |
Overall Length: |
56.0 mm |
Thread Size: |
#4-48 |
Threads Per Inch: |
48 |
Thread Designation: |
UNF |
