ASME B18.2.1 Grade A Hex Bolt 1/2 × 4-1/2 in – UNC 13 TPI – Hot Dip Galvanized

Manufacturer: TT BOLT
SKU: TTB-ASMEB18.2.1-A-050X450-UNC-13TPI-HDG
ASME B18.2.1 Grade A Hex Bolt
Size: 1/2 × 4-1/2 in
Thread: UNC 13 TPI
Thread length: 1-1/4 in
Width across flats: 3/4 in
Head height: 23/64 in
Material: Carbon Steel
Finish: Hot Dip Galvanized
Estimated mass: 128.196 g/pc

ASME B18.2.1 Grade A Hex Bolt 1/2 × 4-1/2 in – UNC 13 TPI – Hot Dip Galvanized is a Hex Bolt manufactured and supplied by TT BOLT in accordance with ASME B18.2.1.

This exact catalog variant has size 1/2 × 4-1/2 in, thread UNC 13 TPI, material Carbon Steel, grade A and finish Hot Dip Galvanized. 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
Size1/2 × 4-1/2 in
ThreadUNC 13 TPI
Thread directionRight Hand
MaterialCarbon Steel
Grade / property classA
FinishHot Dip Galvanized
Head height23/64 in
Width across flats3/4 in
Basic thread length1-1/4 in
Plain shank length3-1/4 in
Mass per piece128.196 g/pc
Mass per 100 pieces12.8196 kg/100 pc

Selection and ordering notes

Before ordering, confirm the required size (1/2 × 4-1/2 in), thread (UNC 13 TPI), grade (A) and finish (Hot Dip Galvanized). 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 1-1/4 in
Width Across Flats 3/4 in
Head Height 23/64 in
Material Carbon Steel
Property Class / Grade A
Finish Hot Dip Galvanized
Unit System in
Estimated Weight 128.196 g/pc
Thread
Thread Type UNC
Thread Pitch 13 TPI
Thread Direction Right Hand
Dimensions
Diameter 1/2
Length 4-1/2 in