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Graco 101855 Tapping Screw

The Graco 101855 Tapping Screw is an OEM self-tapping fastener designed for small Graco assemblies and control housings. Reliable, precision-fit replacement for factory hardware.

  • Part Number: 101855
  • Type: Tapping Screw (PNHD, No. 4 × 3/16)
  • Used In: Power Pack & Pressure Cup assemblies
  • Purpose: Secures panels and sub-assemblies

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Graco 101855 Tapping Screw — PNHD, No. 4 × 3/16

Compatible Machines

  • Graco Power Pack (Renegade TSP Torque Series) — listed as “Screw, tapping, PNHD” in the control box / wireless pendant assembly (Manual 3A6884 series).
  • Graco 2-Quart Pressure Cup assemblies — e.g., models 214-627 (Series B) and 235-117 (Series A), listed as “Screw, rd hd, self-tapping; No.4 × 3/16”.

Key Details

Part Number Graco 101855
Common Description Tapping Screw (self-tapping / thread-forming)
Head / Callout PNHD (per Graco parts listings); round-head callout appears in certain cup manuals
Nominal Size No. 4 × 3/16 (as referenced in pressure cup documentation)
Typical Use Securing small sub-assemblies (e.g., control boxes, pendants, housings, accessories)
Notes Verify length/head spec against your unit’s illustrated parts list (IPL) before purchase.

Overview

The Graco 101855 Tapping Screw is a small OEM fastener used across select Graco equipment. As a self-tapping screw, it forms its own mating threads in sheet-metal or plastic pilot holes, helping maintain factory fit and reliability in control enclosures, accessories, and related hardware.

How to Verify Compatibility

  1. Open your machine’s Illustrated Parts List (IPL) or service manual.
  2. Locate the relevant assembly (e.g., control box, pendant, cup lid/housing).
  3. Confirm the exact part callout is 101855 (and head/length where specified).

Frequently Asked Questions

A tapping screw forms its own threads as it’s driven into a suitable pilot hole, eliminating the need for a pre-tapped insert. This is common for covers, housings, and accessory mounts.

Use the exact OEM part number when possible. Fasteners can differ in diameter, length, thread-forming profile, head style, or finish. Check your IPL to ensure 101855 is specified for your assembly.

Documentation shows it in control/pendant hardware on certain Power Pack models and inside specific 2-quart Pressure Cup assemblies. It may appear in other sub-assemblies—always verify against your machine’s IPL.

Start the screw by hand to avoid cross-threading, drive until seated (do not over-torque), and match the original head style/length. If your IPL calls out a washer or thread-locker, use the same specification.

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