Graco 100178 Screw Tapping Pnhd
$7.90
In Stock
The Graco 100178 Screw, Tapping, PNHD is a genuine OEM fastener designed for secure assembly in Graco air motors and muffler kits.
- Part Number: 100178
- Type: Pan-Head Self-Tapping Screw
- Used In: Monark & President Air Motors
- Size: No. 6 × ~0.188" length
- Function: Secures muffler/shield components
Ideal for maintenance or replacement in OEM Graco assemblies requiring precision-fit fasteners.
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Graco 100178 — Screw, Tapping, PNHD (Specs & Compatibility)
Compatible Machines
The Graco 100178 Screw, Tapping, PNHD is used in specific air-motor muffler/shield assemblies. Known applications include:
- Monark Air Motors — Muffler/Shield assemblies for Model 215-354 (fits Monark air motors except 205-237, 205-471, 207-546)
- President Air Motors — Muffler Kit for Model 214-873 (Series A)
The Graco 100178 Screw, Tapping, PNHD is a factory fastener used to secure muffler/shield components on select Graco air motors. As a self-tapping, pan-head screw, it’s designed for reliable engagement in sheet-metal or pre-formed pilot locations within OEM assemblies.
Key Specifications
| Manufacturer | Graco |
|---|---|
| Part Number | 100178 |
| Description | Screw, Tapping, PNHD (Pan-Head, Self-Tapping) |
| Nominal Size | No. 6 × ~0.188" length (approx. assembly reference) |
| Typical Use | Muffler / Shield fastening on select Monark and President air motors |
Why This Fastener
- OEM-specified for proper fit and retention in Graco air-motor muffler assemblies
- Pan-head profile provides broad bearing surface without countersinking
- Self-tapping design for quick service with consistent clamp load
Fitment Guidance
- Match the screw to the assembly diagram for your exact model/series.
- If your unit differs by series revision, verify hardware callouts before ordering.
- When replacing muffler/shield components, replace worn fasteners at the same time for consistent retention.
Frequently Asked Questions
No. It is specified for particular assemblies—not universally across all machines. Confirm with your model’s parts list or assembly diagram before ordering.
The screw is a pan-head, self-tapping type commonly used with a Phillips or appropriate driver per your manual. Use the correct bit size to avoid cam-out and thread damage.
Substitutions are not recommended. OEM fasteners ensure the correct thread-forming profile, hardness, and head geometry for the assembly. Use Graco 100178 where specified.
Quantity can vary by model and series. Check the exploded view or parts table for your exact air motor to confirm the count and placement.
No—100178 refers to the screw only. If your assembly calls for washers or grommets, order those separately per the parts list.
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