ASME B18.2.1 Grade B Hex Bolt 1/4 × 7 in – UNC 20 TPI – Plain

Manufacturer: TT BOLT
SKU: TTB-ASMEB18.2.1-B-025X700-UNC-20TPI-PL
ASME B18.2.1 Grade B Hex Bolt
Size: 1/4 × 7 in
Thread: UNC 20 TPI
Thread length: 1 in
Width across flats: 7/16 in
Head height: 3/16 in
Material: Carbon Steel
Finish: Plain
Estimated mass: 46.284 g/pc

ASME B18.2.1 Grade B Hex Bolt 1/4 × 7 in – UNC 20 TPI – Plain is a Hex Bolt manufactured and supplied by TT BOLT in accordance with ASME B18.2.1.

This exact catalog variant has size 1/4 × 7 in, thread UNC 20 TPI, material Carbon Steel, grade B and finish Plain. It is intended for mechanically fastened joints that require the stated dimensions, thread, grade and finish.

Technical data for this exact variant

StandardASME B18.2.1
Product typeHex Bolt
Size1/4 × 7 in
ThreadUNC 20 TPI
Thread directionRight Hand
MaterialCarbon Steel
Grade / property classB
FinishPlain
Head height3/16 in
Width across flats7/16 in
Basic thread length1 in
Plain shank length6 in
Mass per piece46.284 g/pc
Mass per 100 pieces4.6284 kg/100 pc

Selection and ordering notes

Before ordering, confirm the required size (1/4 × 7 in), thread (UNC 20 TPI), grade (B) and finish (Plain). Price calculations may use the theoretical mass shown above; final manufactured mass can vary with dimensional tolerances, chamfers, radii, coating thickness and production process.

Products specifications

Attribute name Attribute value
Standard ASME B18.2.1
Product Type Hex Bolt
Thread Length 1 in
Width Across Flats 7/16 in
Head Height 3/16 in
Material Carbon Steel
Property Class / Grade B
Finish Plain
Unit System in
Estimated Weight 46.284 g/pc
Thread
Thread Type UNC
Thread Pitch 20 TPI
Thread Direction Right Hand
Dimensions
Diameter 1/4
Length 7 in