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Shenzhen, China · B2B Manufacturing · OEM Supply

Thread Taps Manufacturer & HSS Drill Bits Factory

Slugger Tools is a thread taps manufacturer and HSS drill bits factory serving distributors, OEM brands and industrial production with M2, M35 and M42 tooling.

  • Spiral Point / Spiral Flute / Forming
  • Metric / UNC / UNF / BSP / NPT
  • M2 / M35 / M42 HSS Options
  • DIN 371 / 376 / 338
  • OEM Marking & Packaging
View Thread Taps View HSS Drill Bits Custom Tapping Machines Request a Quote
HSS spiral point thread taps for industrial machine tapping
HSS Thread Taps
HSS twist drill bits for distributors and industrial users
HSS Drill Bits
Custom automatic drilling and tapping machine
Automatic Machines

Product Lines

Source Taps, Drills and Custom Tapping Equipment from One Supplier

Start with the product family, then confirm material, geometry, size range, standard, coating, quantity and packaging before quotation.

Send an RFQ
HSS thread taps including machine taps and pipe taps
01 · Threading Tools

HSS Thread Taps

Machine taps, forming taps, pipe taps and hand tap sets selected by hole type, chip direction, workpiece material and thread standard.

  • Spiral point taps for many through-hole applications
  • Spiral flute taps for blind-hole chip evacuation
  • Forming taps for suitable ductile materials
  • BSP, BSPT, NPT and NPTF pipe-thread options
  • M2, M35 and M42 HSS options by application
All Thread Taps → OEM Supply →
HSS twist drill bits in industrial grades
02 · Holemaking Tools

HSS Twist Drill Bits

Rolled or fully ground twist drills for industrial distribution and production, with grade and point geometry selected for the target material.

  • 4341 and M2 HSS for general metal drilling
  • M35 and M42 cobalt options for higher heat
  • DIN 338 jobber-length product ranges
  • Bright, black oxide and coating options by feasibility
  • OEM marking, labels, boxes and assortment planning
All HSS Drill Bits → Drill Manufacturing →
Automatic drilling and tapping equipment designed around a workpiece
03 · Production Equipment

Automatic Tapping Machines

Drawing-based automatic machines for drilling, chamfering and tapping operations, configured around the workpiece and production target.

  • Single or multiple operation concepts
  • Manual, bowl, conveyor or other feeding direction
  • Metric, UNC, UNF, BSP or NPT requirements
  • Cycle target and hole pattern reviewed before design
  • Machine proposal based on customer drawings
Tapping Machines → Drill + Tap Machines →

Application Routes

Choose by Hole Condition and Workpiece — Not by Size Alone

A reliable tool quotation starts with the process. Use these routes to reach the focused product page before comparing grade, coating or price.

01 / THROUGH HOLES

Spiral Point Taps

Forward chip flow for many machine-tapping applications where chips can exit through the workpiece.

 02 / BLIND HOLES

Spiral Flute Taps

Upward chip evacuation when chips cannot pass through the bottom of the hole.

 03 / CHIPLESS

Forming Taps

Material displacement in suitable ductile workpieces with a controlled forming-tap pilot hole.

 04 / PIPE PORTS

BSP & NPT Pipe Taps

Defined tapered or parallel thread forms for ports, fittings, valves and fluid-system components.

 05 / STAINLESS

Drills for Stainless Steel

Cobalt grade, point geometry, feed and coolant direction for materials that can work-harden.

 06 / AUTOMATION

Custom Tapping Equipment

Use a drawing-based machine project when feeding, positioning, drilling, chamfering or tapping must be automated.

Material & Grade Direction

M2, M35 and M42 Are Starting Points — the Application Decides

M2 HSS is a practical general-purpose direction for many common steels and non-ferrous materials. M35 cobalt HSS is often evaluated for stainless steel and higher heat. M42 cobalt HSS is considered for more demanding heat and wear conditions.

Grade alone does not determine performance. Hole depth, rigidity, coolant, coating, point or flute geometry, pilot-hole diameter and actual workpiece hardness also affect tool life and thread or hole quality.

For custom OEM projects, PM-HSS / HSSE-PM, carbide and other customer-specified cutting-tool materials can also be reviewed. Review OEM manufacturing capabilities.

For a commercial quotation, send the material, hardness if known, hole type, size range, monthly or annual volume, packaging and any inspection or document requirements.

Send Application Details Review Tap Coatings
GradeTypical Starting DirectionConfirm Before Ordering
4341Cost-sensitive general HSS drill rangesTarget material, production volume and required life
M2 / 6542General HSS taps and drill bitsMaterial, hardness, speed, coolant and geometry
M35 / HSS-Co5Stainless and alloy-steel applicationsWork-hardening risk, point or flute design and feed
M42 / HSS-Co8Higher heat and more demanding materialsActual hardness, rigidity and whether carbide is required
Coated HSSApplication-specific wear or heat controlCoating suitability, regrinding and customer specification

Engineering Resources

Check Size, RPM and Feed Before Ordering Production Tooling

Use the technical tools as starting references, then verify the final setup on the actual machine, material, coolant and hole condition.

Tap Drill Reference

Tap Drill Size Chart

Metric, UNC, UNF and NPT pilot-hole references with formulas and material considerations.

Open Chart → Drilling Data

Drill Speed Chart

Starting RPM and cutting-speed direction for HSS and cobalt drill bits across common materials.

Open Chart → Size Conversion

Drill Bit Size Chart

Metric, fractional, number and letter drill sizes for engineering and sourcing reference.

Open Chart → Tapping Calculator

Tap Speed & Feed Calculator

Calculate starting RPM and feed from tap size, pitch, material, grade and hole condition.

Open Calculator →

OEM & Distributor Programs

Build a Product Range Around Your Market, Not a Generic Catalog

For an OEM or distribution project, define the product family, grade, size mix, marking, packaging, target price level and annual demand before finalizing the quotation.

  • Laser marking and size identification
  • Individual boxes, sets or bulk packing
  • Private-label artwork and labels
  • Mixed size and grade range planning
  • Samples or pre-production confirmation
  • Inspection and documents by requirement
Review OEM Capabilities Discuss a Product Range
01

Send the Requirement

Sizes, standards, material, grade, quantity, packaging and target market.

02

Confirm the Technical Route

Geometry, coating, dimensions, tolerances, feasibility and acceptance details.

03

Quote the Correct Configuration

Price, lead time, packing, commercial terms and document scope.

04

Approve Before Production

Confirm samples, drawings, artwork or pre-production details where required.

Custom machine for automatic drilling chamfering and tapping
Machine configuration begins with the workpiece drawing and target process.

Custom Production Equipment

Automatic Drilling and Tapping Machines Built Around the Part

The machine concept should be based on the part geometry, material, number and location of holes, thread specification, feeding method, inspection requirement and cycle target.

Workpiece DrawingDimensions, datum, clamping and hole positions.
OperationsDrilling, chamfering, tapping, deburring or marking.
Feeding MethodManual, bowl, linear, conveyor or robotic direction.
Production TargetAnnual volume, shift pattern and required cycle time.
Thread RequirementStandard, pitch, tolerance, depth and inspection method.
Acceptance ScopeRun-off parts, video, records and commissioning expectations.
View Tapping Machines Send a Part Drawing

RFQ Checklist

Send Enough Information for a Comparable Quotation

A size alone is rarely enough. The checklist below reduces follow-up questions and helps separate standard supply from an application-specific project.

  • Product type and complete size list
  • Thread or dimensional standard
  • Workpiece material and hardness
  • Through hole, blind hole or pipe port
  • Tool grade, coating or finish
  • Monthly or annual quantity
  • Marking and packaging requirement
  • Inspection, certificates or records
  • Delivery term and destination
  • Machine drawing and cycle target if applicable

Need a fast technical review?

Send the size list or drawing together with the material, quantity and intended application. The quotation can then be built around the actual requirement instead of a generic price list.

Send RFQ WhatsApp

Buyer Questions

Before You Request a Quote

These answers define the information needed to select the correct product family and prepare a commercial offer.

Ask a Question
What types of HSS thread taps can Slugger Tools supply?
The product range includes spiral point taps, spiral flute taps, forming taps, straight-flute or hand-tap directions and BSP/NPT pipe taps. Final selection depends on the hole type, chip direction, workpiece, tapping method, thread standard and required tolerance. Start with the HSS thread taps product hub.
Which HSS drill bit grade should I request?
4341 and M2 are common general HSS directions. M35 and M42 cobalt HSS are considered when heat resistance and difficult materials justify the upgrade. Confirm material, hardness, point geometry, coolant, hole depth and production volume before deciding. Review the HSS drill bit range.
Can thread taps and drill bits be sourced as one OEM range?
Yes, the commercial project can combine taps and drill bits, but each product family still needs its own technical specification. Send the target sizes, grades, packaging, marking, assortment structure and annual demand so feasibility and pricing can be checked.
Do you offer private-label marking and packaging?
Private-label projects may include product marking, labels, individual boxes, sets or bulk packing. The exact artwork, packaging material, quantity and approval process should be confirmed before production. See the OEM manufacturing page.
What information is needed for a custom tapping machine?
Send the part drawing, material, thread callout, hole count and position, required operations, loading method, production target, available floor space and acceptance requirements. This allows the engineering route to be reviewed before a machine proposal is prepared.
Are calculator and chart values final production settings?
No. Charts and calculators provide starting references. Final RPM, feed, pilot-hole size and tool selection should be verified on the actual material and machine by checking chip formation, torque, heat, hole or thread quality and tool wear.

Thread Taps · HSS Drill Bits · Automatic Machines

Send the Size List, Product Range or Part Drawing

For a useful quotation, include the material, standard, quantity, packaging and application. For equipment, include the workpiece drawing and production target.

Request a Quote Explore Thread Taps Explore Drill Bits

Technical feasibility, availability, quantity and documentation are confirmed during quotation.