304 steel bolt knurled cup head inner hex drive UNF inch pitch 5/16-24 1/4-28 fine pitch standard screw
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In stock
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Low MOQ
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Fastener specialist
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Custom & OEM
Price range: $15.20 through $66.40
Description
304 steel bolt knurled cup head inner hex drive UNF inch pitch 5/16-24 1/4-28 fine pitch standard screw
Spec:d*l
Thread is fine UNF PITCH 5/16-24 1/4-28 inch
Material:304 steel
Fast, tracked worldwide delivery with trade-friendly terms. Our team supports you from the first quote to receipt of goods.
Lead timeIn-stock items ship within 24 hours; bulk and custom orders 5–10 business days.
Minimum orderLow MOQ with volume pricing tiers for trade buyers.
Worldwide deliveryDHL, FedEx and sea freight — fully tracked to your door.
Returns30-day returns on unopened items; free replacement if damaged in transit.
Customer serviceDedicated trade team, Monday–Friday.
Need help?Contact our trade team →
Flexible, secure payment options for both one-off purchases and recurring bulk orders.
Accepted methodsVisa, Mastercard, Amex, PayPal and bank transfer (T/T).
Secure checkoutSSL-encrypted and PCI-compliant — your data stays safe.
Trade termsNet 30 / 60 for approved accounts; deposit + balance for large orders.
CurrencySettled in store currency with multi-currency checkout.
Trade accountApply for a trade account →
Standard specifications across our full range. Custom dimensions, finishes and grades available on request — contact our trade team for a tailored quote.
Material
Carbon steel / Stainless steel
Material grade
8.8
Finish
Zinc plated
Thread standard
DIN 933 / ISO 4017
Head type
Hex head
Tensile strength
800 N/mm²
Coating
Zinc plated
Country of origin
CN
SKU
—
Bulk pricing
Specification & price
Box MOQ — 2,000 pcs / box
| Spec | Unit price | Stock | Qty |
|---|---|---|---|
| 1of4-28-l5of-16 / 50pcs | $15.20 | In stock |
|
| 1of4-28-l3of8 / 50pcs | $16.50 | In stock |
|
| 1of4-28-l1of2 / 50pcs | $18.40 | In stock |
|
| 1of4-28-l5of8 / 50pcs | $20.30 | In stock |
|
| 1of4-28-l3of4 / 50pcs | $22.30 | In stock |
|
| 1of4-28-l1inch / 50pcs | $24.60 | In stock |
|
| 1of4-28-l1-1of4inch / 50pcs | $28.50 | In stock |
|
| 1of4-28-l1-1of2inch / 50pcs | $33.80 | In stock |
|
| 1of4-28-l1-3of4inch / 50pcs | $37.60 | In stock |
|
| 1of4-28-l2inch / 50pcs | $41.40 | In stock |
|
| 5of16-24-l1of2 / 50pcs | $31.00 | In stock |
|
| 5of16-24-l5of8 / 50pcs | $32.80 | In stock |
|
| 5of16-24-l3of4 / 50pcs | $36.10 | In stock |
|
| 5of16-24-l1inch / 50pcs | $41.20 | In stock |
|
| 5of16-24-l1-1of4inc / 50pcs | $48.10 | In stock |
|
| 5of16-24-l1-1of2inch / 50pcs | $57.60 | In stock |
|
| 5of16-24-l1-3of4inch / 50pcs | $59.70 | In stock |
|
| 5of16-24-l2inch / 50pcs | $66.40 | In stock |
|