Home » Torx Pan Head Screws (GB2672-2017 / ISO 14583) - Stainless Steel (A2)

Torx Pan Head Screws (GB2672-2017 / ISO 14583) - Stainless Steel (A2)

Torx Pan Head Screws — GB/T 2672-2017 / ISO 14583 | Stainless Steel A2 (SUS304)

FULLERKREG Torx pan head screws (hexalobular socket pan head screws) are manufactured to GB/T 2672-2017 and the equivalent international standard ISO 14583:2011(MOD). Featuring a low-profile pan head with a Torx (hexalobular) recess, these fasteners deliver superior torque transmission, reduced cam-out risk, and excellent corrosion resistance — ideal for precision assemblies in electronics, automotive, bicycles, and consumer appliances.

  • Material: A2 Stainless Steel (SUS304)
  • Surface Treatment: Passivated & Whitened
  • Strength Grade: A2-70
  • Drive Type: Torx / Hexalobular (T-drive)
  • Head Type: Pan Head
  • Standards: GB/T 2672-2017 / ISO 14583:2011(MOD)
  • Size Range: M2 – M10
  • Thread: Metric coarse thread (ISO 68-1), tolerance class 6g

Dimensional Data (GB/T 2672-2017 / ISO 14583)

All dimensions in mm. Data verified against GB/T 2672-2017 and ISO 14583:2011 standard tables.

Thread
d		 Pitch
p (mm)		 Head Dia.
dk max (mm)		 Head Dia.
dk min (mm)		 Head Height
k nom (mm)		 Head Height
k min (mm)		 Head Height
k max (mm)		 Torx
Size		 Drive Depth
t min (mm)		 Shank Dia.
ds max (mm)		 Unit Weight
(g / 100 pcs)*
M2 0.40 4.00 3.70 1.50 1.35 1.65 T6 0.70 2.00 ~18
M2.5 0.45 5.00 4.70 1.75 1.57 1.93 T8 0.90 2.50 ~35
M3 0.50 6.00 5.70 2.00 1.82 2.18 T10 1.10 3.00 ~60
M3.5 0.60 7.00 6.64 2.40 2.18 2.62 T15 1.30 3.50 ~100
M4 0.70 8.00 7.64 2.70 2.46 2.94 T20 1.50 4.00 ~155
M5 0.80 9.50 9.14 3.30 3.02 3.58 T25 1.90 5.00 ~290
M6 1.00 12.00 11.57 4.00 3.70 4.30 T30 2.30 6.00 ~530
M8 1.25 16.00 15.57 5.30 4.92 5.68 T40 3.00 8.00 ~1,250
M10 1.50 20.00 19.48 6.50 6.05 6.95 T50 3.80 10.00 ~2,800

* Unit weight values are approximate reference values for nominal length L=12mm. Actual weight varies by length. Contact FULLERKREG for precise weight data by length.

Shank Length Tolerance (ISO 14583 / GB/T 2672-2017)

Nominal Length l (mm) Tolerance +/- (mm)
4 – 6 0.20
6 – 10 0.25
10 – 16 0.30
16 – 25 0.35
25 – 35 0.40
35 – 50 0.50
50 – 60 0.60

Selection Guide

Application Recommended Specification Reason
Consumer electronics / indoor appliances M3 – M5, A2-70, Passivated Compact head, good corrosion resistance, Torx drive prevents cam-out
Bicycle / motorcycle components M4 – M6, A2-70, Passivated Vibration resistance, stainless durability, tamper-resistant appearance
Automotive interior trim M4 – M8, A2-70 High torque capacity, flush pan head profile, Torx T20–T40
Hard disk drives / precision instruments M2 – M3, A2-70 Miniature size, precise tolerances, low-profile head
Outdoor / light marine environments M4 – M8, A2-70, Passivated A2 SUS304 provides good atmospheric corrosion resistance

Standard Notes

  • GB/T 2672-2017 is the Chinese national standard for hexalobular socket pan head screws, equivalent to and modified from ISO 14583:2011.
  • Covers sizes M2 through M10 with nominal lengths from 3 mm to 60 mm (size-dependent).
  • Thread tolerance: 6g per ISO 965-1.
  • Head dimensions under GB/T 2672-2017 may differ slightly from ISO 14583 in head height (k) — FULLERKREG products are manufactured to GB/T 2672-2017 with ISO 14583 cross-reference compliance.
  • Torx drive sizes follow ISO 10664. The hexalobular recess provides higher torque transmission than Phillips or slotted drives.
  • Marking: Products are marked with the manufacturer identification and strength grade A2-70 where size permits.

Product Gallery

FULLERKREG Torx Pan Head Screws — A2 Stainless Steel, Passivated Finish

[Product Image 1] [Product Image 2] [Product Image 3] [Product Image 4]

Why FULLERKREG

  • 🏭 Direct Manufacturer — Factory-direct pricing with no middlemen, ensuring competitive wholesale rates
  • 📐 Standard Compliance — Strictly manufactured to GB/T 2672-2017 & ISO 14583, with full dimensional inspection
  • 🔬 Material Certified — A2 (SUS304) stainless steel with material test reports (MTR) available on request
  • 📦 Bulk & Custom Orders — Flexible MOQ; custom packaging, labeling, and length combinations available
  • 🌍 Global Export — Experienced in international shipping with full export documentation support
  • ⚡ Fast Quotation — RFQ response within 24 hours for standard and non-standard specifications
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