---
sku: CSB18L
name: FHC 9/16\" Countersink for Aluminum No. 12 to 16 Screws
product_group: supplies
d3_group: 01
d3_class: 1E
url_key: csb18l
url: "https://fhc-usa.com/csb18l"
image: "https://fhc-usa.com/media/catalog/product/c/s/csb18l-prod-1_2.jpg"
variants:
  -
    sku: CSB18L
    label: Base
  -
    sku: CSB18L-M
    suffix: -M
    type: legacy
    label: -M
operational:
  lead_time_days: 120
  uom: EA
  cuttable: false
  backorder: true
  make_buy: Buy
related_skus:
  - "PS103"
  - "PS102"
generated_at: "2026-05-21T23:29:40Z"
---

# FHC 9/16" Countersink for Aluminum No. 12 to 16 Screws

The FHC 9/16" Countersink for Aluminum No. 12 to 16 Screws is part of FHC's supplies hardware line.

## Description

Overview These countersinks are specifically designed for fast stock removal from aluminum. Available from FHC for screw sizes 6 (19/64"), 8 (11/32"), 10 (25/64"), 12 - 14(.486") and 18-16 (9/16")

## Available Variants

| SKU | Variant | Type |
|-----|---------|------|
| CSB18L | Base | base |
| CSB18L-M | -M | legacy |

## Product Details

- Lead time: 120 days
- Unit of measure: EA
