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Fastenio — Precision Fastening Solutions
M20-2.5 Hex Head Cap Screws Partially Threaded Stainless Steel A4 (316)

M20-2.5 Hex Head Cap Screws Partially Threaded Stainless Steel A4 (316)

SKU: FN-BLT-HHB-M20-A4-PT· 12 lengths

Bulk-Only Item

Minimum order quantity: 5 pieces per pack. Ships 7 business days after your cart reaches the $500 bulk minimum — bulk-only and regularly-stocked items both count. Learn more →

$38.73/ 5 pcs

$7.75/ea

pack

1 pack × 5 = 5 pieces

In Stock
FN-BLT-HHB-M20X2.5-100MM-SS316-PT-EHEX-PL
Free US shipping 30-day returns Ships ~7 business days

M20-2.5 metric hex head cap screws (hex bolts), DIN 931 / ISO 4014. A hex head for wrench or socket driving, a plain shank under the head and the thread toward the end (DIN 931 thread length b = 2d + 6 mm up to 125 mm long). A4 (316) stainless for marine, chemical and outdoor exposure where A2 is not enough, plain finish. 12 lengths (70mm to 200mm). Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Plain / Natural

Grade

316 (A4-70)

Size

M20-2.5

Drive Type

Hex External

Head Style

hex

Standard

DIN 931 / ISO 4014

Technical Specifications

Head StyleHex
Width Across Flats30 mm
Width Across Corners (min)33.53 mm
Head Height12.5 mm
Wrench Size30mm
ThreadM20-2.5 Coarse
Thread Pitch2.5 mm
Thread Coverage70mm to 120mm lengths: 46mm of thread; 130mm to 200mm lengths: 52mm of thread
MaterialA4 (316) Stainless Steel
Grade316 (A4-70)
FinishPlain
StandardDIN 931 / ISO 4014