Description
YG-1 T543AS Combo Tap Steam Oxide HSS-EX Spiral Flute M10 x 1.25 D11
L. Dewitt's SKU #: T543AS | Mfr Part #: T543ASYG-1 Combo Tap products are built for practical multi-purpose threading in ductile materials. YG-1 T543AS Combo Tap Steam Oxide HSS-EX Spiral Flute M10 x 1.25 D11 helps shops solve chip packing, bird nesting, overfeeding or underfeeding, tap wear, oversized threads, and inconsistent blind-hole finish with optimized flank geometry, smoother chip evacuation, and reliable thread quality for blind-hole chip evacuation.
- CNC machinists and programmers matching tap style, thread size, coating, material, hole type, and chip direction to the job.
- Production teams reducing tap wear, thread rejects, overfeeding, underfeeding, and downtime.
- Tool crib and purchasing teams standardizing YG-1 EDP numbers for repeatable replacement workflows.
- Job shops and MRO buyers covering steels, stainless steels, cast iron, aluminum, copper alloys, and everyday repair work.
T543AS: YG-1 T543AS Combo Tap Steam Oxide HSS-EX Spiral Flute M10 x 1.25 D11 is a YG-1 Steam Oxide Spiral Flute Individual Tap for blind-hole tapping where chips need to evacuate up and out of the hole without interrupting production. Use this model when setup clarity, chip control, and consistent thread quality matter.
Why This Model
Choose this model when the operation calls for blind-hole tapping where chips need to evacuate up and out of the hole without interrupting production. Combo Tap geometry is designed to help prevent overfeeding and underfeeding while supporting smoother tapping and more predictable thread finish.
Technical Specifications
| Brand | YG-1 |
| Product Family | Combo Tap |
| Product Group | Combo Tap Spiral Flute |
| Tool Type | HSS-EX tap |
| Tool Style | Steam Oxide Spiral Flute Individual Tap |
| Product Format | Individual Tap |
| Application | blind-hole tapping where chips need to evacuate up and out of the hole without interrupting production |
| Coating | Steam Oxide |
| Substrate | HSS-EX |
| Manufacturer Part Number | T543AS |
| Measurement System | Metric |
| Package Unit | 1 |
| Series | T |
| Thread Size | M10 |
| Pitch | 1.25 |
| Thread Designation | M/MF |
| Pitch Limit | D11 |
| Tool Material | HSS-EX |
| Flute Style | Spiral Flute |
| Flutes | 3 |
| Thread Angle | 60 degrees |
| Chamfer Lead | 2P-3P |
| Coolant Style | Without Coolant |
| Hole Type | Blind Hole up to 2.5xD |
| Application Material | Multi-Purpose |
| Overall Length | 74.6 mm |
| Size | M10 x 1.25 D11 74.6L |
What This Solves
- More reliable chip behavior. The selected spiral flute, spiral point, kit, or set format supports the chip-control path needed for the operation.
- Less thread variation. Optimized flank geometry helps reduce overfeeding, underfeeding, and oversized-thread problems.
- Faster replacement matching. EDP, thread size, pitch limit, coating, substrate, coolant style, and hole type are grouped for easier purchasing decisions.
- Results after use. Correct selection supports smoother tapping, better chip evacuation, longer tool life, and more consistent blind-hole thread quality.
Common Applications
- Blind-hole CNC tapping where chips need to lift out cleanly
- Multi-purpose threading in steels, stainless steels, cast iron, aluminum, copper alloys, and other ductile materials
- Production tapping, job-shop work, tool-room replacement, and maintenance repair operations
- Replacement matching by SKU, thread size, pitch or TPI, pitch limit, coating, and coolant requirement
Quick Answer
YG-1 T543AS Combo Tap Steam Oxide HSS-EX Spiral Flute M10 x 1.25 D11 is a YG-1 Combo Tap product used for blind-hole tapping where chips need to evacuate up and out of the hole without interrupting production. It supports smoother tapping, better chip evacuation, longer tool life, and more consistent blind-hole thread quality.
- Product Family: Combo Tap
- Product Group: Combo Tap Spiral Flute
- Tool Type: HSS-EX tap
- Tool Style: Steam Oxide Spiral Flute Individual Tap
- Product Format: Individual Tap
- Coating: Steam Oxide
- Substrate: HSS-EX
- Manufacturer Part Number: T543AS
- Thread Size: M10
- Pitch: 1.25
- Thread Designation: M/MF
- Pitch Limit: D11
- Tool Material: HSS-EX
- Flute Style: Spiral Flute
- Flutes: 3
- Chamfer Lead: 2P-3P
- Coolant Style: Without Coolant
- Hole Type: Blind Hole up to 2.5xD
- Overall Length: 74.6 mm
- Availability: In Stock - Estimated Delivery in 3-5 Business Days
Common Questions
What is the YG-1 T543AS?
T543AS is a YG-1 Combo Tap product for multi-purpose threading where chip evacuation, tool life, and thread quality need to be controlled.
Where should this Combo Tap be used?
Use this model for blind-hole tapping where chips need to evacuate up and out of the hole without interrupting production. Confirm whether the application is blind-hole, through-hole, kit-based, or set-based before ordering.
What makes Combo Tap useful?
Combo Tap geometry is designed to provide smooth chip evacuation, reduce overfeeding and underfeeding, and keep thread quality more consistent in less-than-perfect production conditions.
How do I confirm the correct replacement?
Match EDP T543AS, thread size, pitch or TPI, pitch limit, coating, substrate, coolant style, tap drill size, work material, holder alignment, and tapping speed before ordering.
Image reference: YG-1 Combo Tap product T543AS.
Need Help Matching a Combo Tap?
Send us the EDP, thread size, pitch limit, coating, hole type, coolant requirement, and work material. L. Dewitt McCarter, Inc. can help verify the correct YG-1 Combo Tap for your application.
Contact Our Technical TeamAdditional Information
Manufacturer: |
YG-1 |
Manufacturer Part Number: |
T543AS |
Product Family: |
Combo Tap |
Product Group: |
Combo Tap Spiral Flute |
Tool Category: |
Combo Tap |
Application Family: |
blind-hole tapping where chips need to evacuate up and out of the hole without interrupting production |
Tool Type: |
HSS-EX tap |
Tool Style: |
Steam Oxide Spiral Flute Individual Tap |
Package Unit: |
1 |
Measurement System: |
Metric |
Thread Size: |
M10 |
Pitch: |
1.25 |
Thread Designation: |
M/MF |
Pitch Limit: |
D11 |
Overall Length: |
74.6 mm |
Series: |
T |
Size: |
M10 x 1.25 D11 74.6L |
Tool Family: |
Spiral Flute |
Tool Material: |
HSS-EX |
Thread Angle: |
60 degrees |
Flute Style: |
Spiral Flute |
Hole Type: |
Blind Hole up to 2.5xD |
Application Material: |
Multi-Purpose |
Flutes: |
3 |
Coolant Style: |
Without Coolant |
Chamfer Lead: |
2P-3P |
Product Format: |
Individual Tap |
