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Clamp Supply – workholding aux parts for fixtures, jigs and machine tables

info@clampsupply.com (619) 704-3113

PT18 · Grippers & Pads

Gripper Screw (Set Screw Style)

Headless serrated gripper screw that threads into the fixture as a rough-part support or clamp point.

  • 16 part numbers with full dimensions
  • Material: SCM435 (JIS) / 34CrMo4 (DIN)
  • Heat treated: HRC 32°–38°
PT18 Gripper Screw (Set Screw Style)

Gripper Screw (Set Screw Style) part numbers & dimensions

16 part numbers. All dimensions in millimetres (mm) unless noted; letters match the dimension drawing. On a phone, swipe the table sideways. Tap “Quote” to email us about a part.

Dimension drawing

PT18 Gripper Screw (Set Screw Style) dimension drawing
PT18 Gripper Screw (Set Screw Style) – dimensions A, B, C… correspond to the table columns below.

Standard tooth plate

Model No. A B C D E F kg Quote
PT18-1025 25 6.5 M10 5 4 2.3 0.015 Quote
PT18-1050 50 6.5 M10 5 4 2.3 0.030 Quote
PT18-1225 25 8.0 M12 6 5 2.3 0.022 Quote
PT18-1250 50 8.0 M12 6 5 2.3 0.045 Quote
PT18-1625 25 11.5 M16 8 6 3.0 0.038 Quote
PT18-1650 50 11.5 M16 8 6 3.0 0.078 Quote
PT18-2025 25 13.0 M20 10 8 3.0 0.058 Quote
PT18-2050 50 13.0 M20 10 8 3.0 0.120 Quote

Extremely hard tooth plate (-K)

Model No. A B C D E F kg Quote
PT18-1025-K 25 6.5 M10 5 4 2.3 0.015 Quote
PT18-1050-K 50 6.5 M10 5 4 2.3 0.030 Quote
PT18-1225-K 25 8.0 M12 6 5 2.3 0.022 Quote
PT18-1250-K 50 8.0 M12 6 5 2.3 0.045 Quote
PT18-1625-K 25 11.5 M16 8 6 3.0 0.038 Quote
PT18-1650-K 50 11.5 M16 8 6 3.0 0.078 Quote
PT18-2025-K 25 13.0 M20 10 8 3.0 0.058 Quote
PT18-2050-K 50 13.0 M20 10 8 3.0 0.120 Quote

Material & specifications

  • Material: SCM435 (JIS) / 34CrMo4 (DIN)
  • Heat treated: HRC 32°–38°
  • Serrated surface heat treated with high-frequency quenching
  • Surface finish: black oxide
  • Application: multipurpose work support and clamping unit, ideal for rough parts
  • Features: excellent holding power from the serrated face
  • Tooth plate (standard): SKH9 (JIS) / S18-1-2-5 (DIN), HRC 60°
  • Tooth plate (-K): extremely hard

Ordering the Gripper Screw (Set Screw Style)

Send us the PT18 part numbers and quantities you need and we will reply with pricing and lead time. Not sure which size fits your fixture? Email info@clampsupply.com or call (619) 704-3113 and we will help you choose. Please confirm critical dimensions before machining your fixture.