Technical Specifications

DIN 7985 / ISO 7045 / GB/T 818 / ASME B18.6.7M Pan Head Machine Screw 4.8, 5.8, 8.8 Zinc Plated, Black Oxide, Nickel Plated, Plain
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DIN 7985 / ISO 7045 / GB/T 818 / ASME B18.6.7M Pan Head Machine Screw 4.8, 5.8, 8.8 Zinc Plated, Black Oxide, Nickel Plated, Plain
DIN 7985 / ISO 7045 / GB/T 818 / ASME B18.6.7M Pan Head Machine Screw 4.8, 5.8, 8.8 Zinc Plated, Black Oxide, Nickel Plated, Plain
DIN 7985 / ISO 7045 / GB/T 818 / ASME B18.6.7M Pan Head Machine Screw 4.8, 5.8, 8.8 Zinc Plated, Black Oxide, Nickel Plated, Plain

Standard

DIN 7985 / ISO 7045 / GB/T 818 / ASME B18.6.7M

Specification

M1.6 - M10

Material

Carbon Steel, Stainless Steel (A2/A4)

Property Class

4.8, 5.8, 8.8

Finish

Zinc Plated, Black Oxide, Nickel Plated, Plain

Product Description

Phillips drive (H-type) or Pozidriv (Z-type).

Technical Data & Drawings
Model: DIN 7985 / ISO 7045 / GB/T 818 / ASME B18.6.7M Pan Head Machine Screw pdf
Dimension CodeSpecification (mm)
d
P
L
L (max)
L (min)
da (max)
dk (max)
dk (min)
r (max)
No.
M
t (min)
t (max)
h (max)
h (min)
k

Technical Specifications

DIN 7985-1990 Pan Head Machine Screw
Product No.
DIN 7985
Product Specification
M1.6 * 2
Product Standard
DIN 7985-1990
Material Grade
—
Unit
mm
Mechanical Property
—
Dimension CodeSpecification (mm)Dimension CodeSpecification (mm)
dDiameterM1.6PPitch0.35
LLength2L(max)Lmax2.2
L(min)Lmin1.8da(max)damax2.1
dk(max)dkmax3.2dk(min)dkmin2.9
r(max)rmax0.1No.No.0
MM1.8t(min)tmin0.72
t(max)tmax1.02h(max)hmax1.42
h(min)hmin1.18kHead Height0.8
hHeight1.18–1.42
Other Requirements
Technical Conditions
MaterialTypeSteelGeneral Technical Conditions
Grade
ThreadToleranceMechanical PropertyClass
StandardStandard
ToleranceProduct GradeSurface Treatment
Standard
Surface RoughnessSurface Defect
Acceptance & PackingReference Weight per 1000 (kg)

Industrial Applications

1. Electronics & Electrical Engineering

Precision Circuit Board Mounting

  • Recommended: M2.5 * 6 / M3 * 10 | Stainless Steel A2-70 | Plain
  • Technical Insight: The cross recess (Phillips/Pozidriv) allows for high-speed automated assembly. Stainless steel ensures zero magnetic interference and prevents corrosion in humid server environments.

Power Distribution Cabinets

  • Recommended: M5 * 12 / M6 * 20 | Grade 4.8 / 8.8 | Blue Zinc Plated
  • Technical Insight: The low-profile pan head is ideal for mounting busbars and rail components where clearance is limited. Zinc plating provides the necessary conductivity and moderate rust protection.

2. Medical & Laboratory Instrumentation

Diagnostic Equipment Enclosures

  • Recommended: M3 * 8 / M4 * 12 | Stainless Steel A4-80 (SS316) | Polished
  • Technical Insight: A4 stainless steel withstands aggressive chemical disinfectants and sterilization cycles (autoclaving) without pitting or surface degradation.

Laboratory Furniture & Fixtures

  • Recommended: M5 * 16 / M6 * 25 | Stainless Steel A2 | Plain
  • Technical Insight: Provides a snag-free finish to prevent glove tears. The deep cross recess allows for high torque during assembly to ensure structural rigidity.

3. Industrial Automation & Robotics

Sensor & Actuator Housing

  • Recommended: M4 * 10 / M5 * 15 | Grade 8.8 | Black Oxide
  • Technical Insight: Black oxide coating reduces light reflection in optical sensor setups while Grade 8.8 provides the fatigue resistance needed for high-cycle robotic movements.

Control Panel Interface Mounting

  • Recommended: M3 * 10 / M4 * 16 | Polyamide (Nylon) or Brass
  • Technical Insight: Non-conductive polyamide options prevent short circuits in sensitive HMI (Human Machine Interface) assemblies, while brass offers superior decorative appeal and spark resistance.

4. Consumer Appliances & HVAC

HVAC Internal Ducting & Fans

  • Recommended: M5 * 12 / M6 * 15 | Grade 4.8 | Yellow Zinc Plated
  • Technical Insight: The pan head distributes clamping force across thin sheet metal, preventing tearing or deformation under the constant vibration of fan motors.

Commercial Kitchen Equipment

  • Recommended: M4 * 12 / M5 * 20 | Stainless Steel A2-70 | Passivated
  • Technical Insight: Passivation ensures a "passive" oxide layer, meeting food safety standards by preventing metallic contamination and ensuring easy cleaning of grease-prone surfaces.

Packaging & Delivery

Inner Packaging

Standard packaging in thick PE bags or small white industrial boxes with EternalFast branding. For M3 size, typical quantity is 1,000 pcs per bag/box.

Master Carton

Heavy-duty 5-layer corrugated cardboard boxes. Standard weight: 25 kg per carton, reinforced with fiber strapping.

Palletization

36 to 48 cartons per fumigation-free pallet, fully wrapped with stretch film for moisture and dust protection.

Logistics & Delivery

Shanghai Port or Ningbo Port for global reach.

Custom production

15-30 days (depending on quantity and surface treatment).

Quality & Certificates

hird-Party Testing

Comprehensive reports available for coating thickness, hardness, and salt spray testing (SST).

MTC (Material Test Certificate)

In accordance with EN 10204 3.1, detailing chemical composition and tensile strength analysis.

Compliance

Full compliance with RoHS & REACH environmental regulations, especially for Zinc Plating (Cr6+ Free).

EF Traceability System

Each batch is assigned a unique Lot Number linked to the raw material heat number, ensuring 100% traceability.