Skip to product information
1 of 1

Backer-On No. 9 X 1-1/4 in. L Star Flat Head Serrated Cement Board Screws — 23500 185 pk

Backer-On No. 9 X 1-1/4 in. L Star Flat Head Serrated Cement Board Screws — 23500 185 pk

Mfr part #: 23500

Store rating 5.0 (2 reviews)

Since 2024 · St. Anthony, IN · Net 30 for approved business accounts

Regular price $12.43 USD
List price (MSRP) $15.32

In stock (stock updated weekly) · ships in 1–2 business days

Est. shipping to you: Enter ZIP for shipping

Delivered cost by quantity

Delivered cost by quantity
Quantity in cartGoodsDelivered, MidwestDelivered, West Coast
1$12.43$22.93 ($22.93 each)
incl. $10.50 freight
$26.43 ($26.43 each)
incl. $14.00 freight
2$24.86$35.86 ($17.93 each)
incl. $11.00 freight
$40.86 ($20.43 each)
incl. $16.00 freight
5$62.15$74.65 ($14.93 each)
incl. $12.50 freight
$80.15 ($16.03 each)
incl. $18.00 freight
10$124.30$124.30 ($12.43 each)
free freight
$144.80 ($14.48 each)
incl. $20.50 freight
41$509.63$509.63 ($12.43 each)
free freight
$509.63 ($12.43 each)
free freight

Midwest = IL, IN, WI, IA, MO, MI, OH, KY, MN · West Coast = CA, OR, WA · other states: enter your ZIP above. Quantity is the number you add to the cart. Includes automatic discounts every buyer gets. Computed from our checkout rates; your cart shows the exact freight before you pay.

SKU:5043637

Backer-On No. 9 X 1-1/4 in. L Star Flat Head Serrated Cement Board Screws.

  • Brand: Backer-On
  • Manufacturer part #: 23500
  • UPC: 092097235007
  • Product type: Specialty Screws

Specifications

  • Callout Size: No. 9
  • Diameter: 0.177 in.
  • Gauge: 9
  • Length: 1-1/4 in.
  • Thread Type: Serrated
  • Drive Style: Star
  • Finish: Phosphate
  • Material: Steel
  • Color: Green
  • Application: Multi-Purpose
  • Driver Bit Included: Yes
  • Head Type: Flat
  • Self Drilling: No
  • Self Tapping: Yes
  • Indoor or Outdoor: Indoor
  • Number in Package: 185
View full details

Buying from Uline, Grainger or McMaster? Send us your list and we'll price it line by line, usually within 1 business day.

Questions & answers

How many screws come in a pack?

Each pack contains 185 screws, and a driver bit is included.

What size are these screws?

They are No. 9 (0.177 in. diameter) by 1-1/4 in. long, with a flat head and star drive.

Do I need to pre-drill?

They are self tapping but not self drilling. They have serrated threads and a green phosphate finish, and are rated for indoor use.

How fast does it ship?

Most items ship in 1–3 business days; special-order and drop-ship items vary by vendor.

Does shipping cost extra?

Freight depends on which supplier ships the item. Your cart shows each shipment's freight and any free-freight threshold before you check out.

Can I get a better price on a larger quantity?

Larger quantities often price lower. In your cart, use "Request a quote for this cart" (or our Request a Quote form) for a volume price.

How can I pay?

By card at checkout. ACH or check is accepted on invoiced orders, and Net 30 terms are available for approved business accounts.

What if something arrives damaged or wrong?

Tell us within 7 days of delivery, with photos and your order number, and we will replace it or refund it at our cost. Items you no longer want can only come back with prior approval, within 14 days, unopened, with a 20% restocking fee, and the buyer pays the return freight. Custom, opened and hazardous items, and chemicals and adhesives once shipped, cannot be returned. Details are in our Refund & Return Policy.