---
product_id: 45082078
title: "Wood Screws for Multiwall Polycarbonate, 100/bag"
brand: "conleys"
price: "$190.69"
currency: USD
in_stock: true
reviews_count: 7
category: "Conleys"
url: https://www.desertcart.ec/products/45082078-wood-screws-for-multiwall-polycarbonate-100-bag
store_origin: EC
region: Ecuador
---

# EPDM neoprene washer seals tight #9 x 1-1/2" precision fit 100 screws per pack for bulk projects Wood Screws for Multiwall Polycarbonate, 100/bag

**Brand:** conleys
**Price:** $190.69
**Availability:** ✅ In Stock

## Summary

> 🔧 Screw it right, seal it tight — the pro’s choice for polycarbonate projects!

## Quick Answers

- **What is this?** Wood Screws for Multiwall Polycarbonate, 100/bag by conleys
- **How much does it cost?** $190.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/45082078-wood-screws-for-multiwall-polycarbonate-100-bag)

## Best For

- conleys enthusiasts

## Why This Product

- Trusted conleys brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Flanged Hex Head Design:** Provides superior grip and torque for professional-grade installation every time.
- • **Bulk Ready for Big Builds:** 100 screws per bag means you’re always stocked for your next project.
- • **Optimized for Wood Frames:** Specifically designed threads and length for secure fastening into wood structures.
- • **Built-in Weatherproof Seal:** EPDM neoprene washers ensure a watertight, durable hold against the elements.
- • **Seamless Polycarbonate Fastening:** Drive directly through multiwall polycarbonate without cracking or splitting.

## Overview

Conleys #9 x 1-1/2" wood screws come in a convenient 100-piece pack, engineered for fastening multiwall polycarbonate sheets directly to wood frames. Featuring EPDM neoprene sealing washers, these screws provide a weatherproof, durable hold with a flanged hex head for easy installation. Ideal for professionals seeking reliable, bulk hardware solutions.

## Description

#9 x 1-1/2" screws used to fasten multi-wall polycarbonate sheets to wood base. Includes EPDM sealing washers. Sold 100/per bag.

Review: Expensive - Price. Is little stout!
Review: Washers are smaller - Washers are smaller than what is shown on product photo. Not thrilled about this.

## Features

- Neoprene rubber washer.
- Screw directly through polycarbonate panel.
- Use with wood structure frame.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B013XIW35K |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #135,652 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,004 in Wood Screws |
| Brand | Conleys |
| Color | 3079-11.20SJ-79392 |
| Compatible groove diameter | 0.13 Inches |
| Customer Reviews | 4.5 4.5 out of 5 stars (19) |
| Date First Available | August 14, 2015 |
| Exterior Finish | Rubber |
| Fastener Size | #9 |
| Fastener Type | Wood Screws |
| Finish | Rubber Coated |
| Head Style | Flanged Hex |
| Head Type | Flat |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item model number | S9970033 |
| Manufacturer | Conleys |
| Material | Polycarbonate |
| Measurement System | Imperial |
| Number of Pieces | 100 |
| Part Number | S9970033 |
| Point Style | Type G Point |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Shape | Screw |
| Size | 3079-11.20SJ-79392 |
| Special Features | sealing |
| Thread Class | standard |
| Thread Coverage | Fully Threaded |
| Thread Size | #9 |
| Thread Style | Right Hand, Unified Coarse |
| Thread Type | Unc |
| Usage | wood |

## Product Details

- **Exterior Finish:** Rubber
- **Head Style:** Flanged Hex
- **Material:** Polycarbonate
- **Point Style:** Type G Point
- **Thread Size:** #9

## Images

![Wood Screws for Multiwall Polycarbonate, 100/bag - Image 1](https://m.media-amazon.com/images/I/41SW2EjSVnL.jpg)

## Questions & Answers

**Q: what is the diameter of the washer?**
A: 1” and they work fine as we have had several heavy rains and no indications of any leaks.

**Q: is this washer head too big for corrugated  polycarbonate sheets?**
A: Worked great for me

## Customer Reviews

### ⭐⭐⭐⭐⭐ Expensive
*by R***N on June 23, 2023*

Price. Is little stout!

### ⭐⭐⭐ Washers are smaller
*by C***S on April 2, 2025*

Washers are smaller than what is shown on product photo. Not thrilled about this.

### ⭐⭐⭐⭐⭐ Works as expected
*by M***E on June 2, 2019*

Great screws for polycarbonate multiwall paneling, just don’t over tighten or else panel will start to cave.

## Frequently Bought Together

- Wood Screws for Multiwall Polycarbonate, 100/bag
- OWLHAUS Greenhouses Polycarbonate Greenhouse Panels Connectors - Fit 6mm or 4mm Twin-Wall Polycarbondate Panels, Join 2 Pieces of Panels Together, 4-Foot Length, 10 Pieces (H Connectors 6mm-4ft)
- UMIG 12 PCS 4' x 2' x 0.32'' Polycarbonate Greenhouse Panels, Twin-Wall Waterproof UV Protected Corrugated Plastic Roof Panels Sheets, Clear Replacement Panels for Greenhouse, Outdoor, Plant

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**Shop now:** [https://www.desertcart.ec/products/45082078-wood-screws-for-multiwall-polycarbonate-100-bag](https://www.desertcart.ec/products/45082078-wood-screws-for-multiwall-polycarbonate-100-bag)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-07*