Multi-Purpose Spiral Flute Tap- Nanjing Arrow-Stone

Multi-Purpose Spiral Flute Tap

The multi-purpose spiral flute tap features a universal design, suitable for a variety of materials such as steel, cast iron, and non-ferrous metals. The spiral flute structure enables efficient chip removal, catering to both through-hole and blind-hole machining needs. It is widely used in various fields such as machinery manufacturing, mold processing, and equipment maintenance, making it an ideal choice for general thread processing in workshops.

Key words:

Classification:

Spiral flute tap

Key words:

Tool matrix-Fixture matrix

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Multi-Purpose Spiral Flute Tap - Universal Solution for General Material Thread Machining

Product Overview

The multi-purpose spiral flute tap features a universal design, suitable for a variety of materials such as steel, cast iron, and non-ferrous metals. The spiral flute structure enables efficient chip removal, taking into account both through-hole and blind-hole machining needs. It is widely used in mechanical manufacturing, mold processing, equipment maintenance and other fields, and is an ideal choice for general thread processing in workshops.

Core Advantages

1. Multi-Material Compatibility

Universal Design : Optimized helix angle (30°-35°) and cutting angle (rake angle 10°-12°) for machining carbon steel, stainless steel, cast iron, aluminum alloys, and other materials, reducing tool change frequency.
Balanced Material : Made of M35 cobalt high-speed steel with a hardness of 63-65HRC, it has both wear resistance and toughness to meet the cutting strength requirements of different materials.

2. Efficient Chip Removal and Thread Quality

Spiral Flute Chip Removal : The right-hand spiral flute design allows chips to be discharged in an orderly manner along the flute, and can push the chips out of the hole during blind hole machining, avoiding clogging.
Precision Forming : Thread accuracy up to ISO 6H/6g grade, surface finish Ra≤1.6μm, suitable for most general thread processing scenarios.

3. Durability and Economy

Coating Enhancement : Standard configuration of TiN coating, friction coefficient as low as 0.25, high temperature resistance up to 400℃, life increased by 40% compared to uncoated taps.
Cost-Effective Advantage : One tap for multiple uses, reducing inventory types and reducing procurement and management costs, suitable for small and medium batch multi-variety production.

4. Comprehensive Specifications

Standard Coverage : M2-M48 metric, UNC/UNF American, BSW British thread full specifications, support coarse/fine thread selection.
Special Options : Customizable extended blade, short shank, with oil hole and other structures, suitable for deep hole (≤8D) or special equipment processing.

Technical Parameters

Item	Parameter Range	Standard Configuration	Optional Configuration
Applicable Materials	Carbon steel, stainless steel, cast iron, aluminum alloy, copper alloy, etc.	General type (default)	Special type for high hardness steel
Thread Accuracy	ISO 6H/6HS; ANSI 2B	ISO 6H (default)	Customizable higher accuracy
Material	M35 cobalt high-speed steel (default), PM-HSS	M35+TiN coating	PM-HSS+AlTiN coating
Helix Angle	30°-35°	35° (default)	30° (for deep holes)
Shank Type	Straight Shank	Straight shank (M2-M20)	Extended shank, shank with cooling holes

Application Scenarios

Mechanical Manufacturing : General thread processing of carbon steel flanges and stainless steel pipe fittings (hole diameter M6-M30).
Mold Industry : Machining of mounting thread holes in mold templates (cast iron/steel) (blind hole depth ≤5D).
Equipment Maintenance : Thread repair and regeneration processing of multi-material parts (such as shafts, box parts).
General Manufacturing : Thread forming of small and medium batch multi-variety products, reducing tool change time.

Precautions for Use

Cutting Fluid Selection : Use emulsion for machining ferrous metals, synthetic cutting fluid for non-ferrous metals, and extreme pressure cutting oil is recommended for stainless steel.
Speed Adjustment : Adjust according to the material, 80-120rpm for carbon steel, 50-80rpm for stainless steel, and 100-150rpm for aluminum alloy.
Clamping Requirements : Use a rigid tapping chuck to ensure concentricity and avoid thread accuracy degradation due to runout.

Frequently Asked Questions

Q1: Do I need to adjust the cutting parameters when machining multiple materials?
→ Yes, it is recommended to adjust the speed according to the material hardness (the higher the hardness, the lower the speed) and match the corresponding cutting fluid type.

Q2: How to avoid chipping at the bottom of the tap during blind hole machining?
→ Leave a margin of 0.5-1 times the pitch, reduce the feed rate when approaching the bottom of the hole, and choose a model with a 30° small helix angle.

Q3: What should I do if the tap is easily worn during stainless steel processing?
→ Replace with AlTiN coated models, use high concentration extreme pressure cutting fluid, and reduce the speed to below 50rpm.

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