Bowling ball core · Hammer

Hammer LED 3.0 Core

Symmetric Hammer core

A symmetric core with mid-lane rev-up and medium flare, built for medium to heavy oil. Balls with this core are no longer available at BowlersMart.

  • Symmetric
  • RG 2.485
  • Diff 0.045

Specs

RG AT 15 LB

2.485

Mid-lane rev-up

Revs soonerRevs later

34% of the reactive and urethane balls we stock have a lower RG.

DIFFERENTIAL AT 15 LB

0.045

Medium flare

Less flareMore flare

42% of the reactive and urethane balls we stock have a lower differential.

MASS BIAS AT 15 LB

None

Symmetric core

Symmetric cores have no mass bias marker to place when drilling.

RG How soon the ball revs up.Differential How much the ball can flare.Mass bias How asymmetric the core is.
Hammer LED 3.0 Core specs by ball weight
Weight RG DifferentialDiff Mass biasMB
16 lb 2.495 0.040 None
15 lbUsed on this page 2.485 0.045 None
14 lb 2.506 0.045 None
13 lb 2.585 0.040 None
12 lb 2.608 0.040 None

Source: Hammer published specs, as shown on BowlersMart’s original Hammer LED 3.0 core page (2022). RG and differential change with ball weight; use the row for the weight you throw. The highlighted 15 lb row is the one used on this page.

Looking for a ball like your Hammer LED 3.0?

Balls with the Hammer LED 3.0 Core are no longer available at BowlersMart. These in-stock balls have the closest RG and differential.

Radical Vexed Variant Bowling Ball

Radical Vexed Variant

Radical HK22C+ Solid Reactive

Heavy oil, medium to heavy oil

Sale price $194.95 Regular price $259.95In stock
DV8 Double Trouble Bowling Ball

DV8 Double Trouble

DV8 Havoc Pearl Reactive

Medium oil

Sale price $154.95 Regular price $259.95In stock
Radical Evil Eye Bowling Ball

Radical Evil Eye

Radical HK22C Solid Reactive

Heavy oil

Sale price $164.95 Regular price $259.95In stock
900 Global Cove Bowling Ball

900 Global Cove

900 Global RB85 Hybrid Reactive

Medium to heavy oil

Sale price $79.95 Regular price $299.95In stock
Track Criterion Inverse Bowling Ball

Track Criterion Inverse

Track Super Response HK22 Pearl Reactive

Medium to heavy oil

Sale price $134.95 Regular price $279.95In stock
DV8 Mantra Solid Bowling Ball

DV8 Mantra Solid

DV8 HK22 Inciter Xtreme Reactive

Medium to heavy oil

Sale price $99.95 Regular price $259.95In stock

Balls with the Hammer LED 3.0 Core

None of the 2 balls with the Hammer LED 3.0 Core are in stock at BowlersMart right now.

Show 2 balls no longer available at BowlersMart
More bowling balls with the Hammer LED 3.0 Core
Ball Cover First seen
Hammer Scorpion Strike Bowling Ball Hammer Semtex Pearl Reactive June 2024
Hammer Scorpion Sting Bowling Ball Hammer Semtex Pearl Reactive September 2022

Where the Hammer LED 3.0 sits

Each dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.

DV8 Larceny Core, RG 2.471, diff 0.028DV8 Renegade Core, RG 2.499, diff 0.040Track I-Core Gen4, RG 2.480, diff 0.053Brunswick Vintage Light Bulb Low RG Core, RG 2.568, diff 0.032Brunswick Dual Centric Core, RG 2.509, diff 0.047Ebonite Big Time Core, RG 2.500, diff 0.054Hammer Stacked LED Core, RG 2.545, diff 0.047Hammer Vindicator Core, RG 2.474, diff 0.053Radical Modified Intel Symmetric Core, RG 2.483, diff 0.032Motiv Affliction V2 Core, RG 2.480, diff 0.055900 Global Conduit A.I. Core, RG 2.590, diff 0.050Roto Grip GEM A.I. Core, RG 2.490, diff 0.057Hammer Obsession Tour, RG 2.469, diff 0.034Hammer Super Offset Core, RG 2.524, diff 0.053Hammer Gas Mask Core, RG 2.500, diff 0.058Ebonite Turbo Core, RG 2.510, diff 0.040Ebonite Centrex Symmetrical Mass Bias, RG 2.460, diff 0.056Motiv Excel Core, RG 2.550, diff 0.030Motiv Detonator Core, RG 2.470, diff 0.055Storm Solarion AI Core, RG 2.480, diff 0.054SWAG Insanity Symmetric Core, RG 2.520, diff 0.034SWAG Fusion Symmetric Core, RG 2.540, diff 0.036SWAG Watcher Symmetric Core, RG 2.510, diff 0.048SWAG Dragon Asymmetric Core, RG 2.480, diff 0.054SWAG Executioner Asymmetric Core, RG 2.500, diff 0.051Motiv Predator V2 Core, RG 2.470, diff 0.054Storm C3 Centripetal Control Core, RG 2.490, diff 0.029Roto Grip Rondure MaxD Core, RG 2.500, diff 0.058Hammer Vibe Core, RG 2.510, diff 0.042Hammer Aftermath Core, RG 2.520, diff 0.052Brunswick Alert Core, RG 2.478, diff 0.037Brunswick Rampart Core, RG 2.502, diff 0.051DV8 Collision Core, RG 2.462, diff 0.052Track MC2 Asym Core, RG 2.470, diff 0.046Ebonite Iron Fist V2 Core, RG 2.470, diff 0.053Radical No Doubt Symmetric Core, RG 2.480, diff 0.051Storm Surge Core, RG 2.580, diff 0.024Roto Grip Hyped UP Core, RG 2.500, diff 0.042Roto Grip Morph-Wing Core, RG 2.510, diff 0.051Brunswick Fury Core, RG 2.524, diff 0.038Motiv Sigma Core, RG 2.470, diff 0.047Roto Grip Hustle Core, RG 2.530, diff 0.030900 Global Blast AI Core, RG 2.470, diff 0.055900 Global Strobe AI Core, RG 2.510, diff 0.052Radical Guru Core, RG 2.500, diff 0.044Track I-CORE 3.0, RG 2.480, diff 0.056DV8 Unholy Core, RG 2.500, diff 0.051Brunswick Infinity Core, RG 2.521, diff 0.051Storm Catalyst Core, RG 2.500, diff 0.052Hammer Gauntlet Core, RG 2.501, diff 0.050Hammer Raw Hammer Core, RG 2.537, diff 0.038Storm Atmos A.I. Core, RG 2.530, diff 0.042Storm Booster Core, RG 2.540, diff 0.046Track Shuttle Core, RG 2.490, diff 0.038Brunswick Light Bulb Core, RG 2.524, diff 0.030Radical Sneak Attack Core, RG 2.540, diff 0.036Motiv Gear Core, RG 2.480, diff 0.034Hammer Huntsman Core, RG 2.470, diff 0.050Hammer Super LED Core, RG 2.632, diff 0.034Ebonite Enhanced V2 Core, RG 2.480, diff 0.048Radical Vexed Asymmetric Core, RG 2.490, diff 0.036Motiv Quadfire Core, RG 2.550, diff 0.043Track Stealth Core, RG 2.480, diff 0.056Brunswick Tiered Hexagon Core, RG 2.540, diff 0.045Columbia 300 Piranha Core, RG 2.550, diff 0.043Storm Torsion AI Core, RG 2.470, diff 0.050Storm Element Max AI Core, RG 2.470, diff 0.055Storm Radius Core, RG 2.610, diff 0.020Roto Grip Rondure Tour X Core, RG 2.480, diff 0.034SWAG Unreal Core, RG 2.510, diff 0.047SWAG Craze Core, RG 2.520, diff 0.030SWAG Serpent Asymmetric Core, RG 2.510, diff 0.048Radical Torpedo Asymmetric Core, RG 2.480, diff 0.054Motiv Overload, RG 2.480, diff 0.050DV8 Duality Core, RG 2.480, diff 0.036Hammer Spheroid Core, RG 2.480, diff 0.048Radical Outer Limits Asymmetric, RG 2.490, diff 0.051Motiv Apex Predator Core, RG 2.520, diff 0.055Brunswick Danger Zone Core, RG 2.501, diff 0.048Storm RAD-TQ Core, RG 2.560, diff 0.051Storm Velocity Core, RG 2.480, diff 0.051Hammer LED Resin Bowling Ball Core, RG 2.586, diff 0.027Epic Spark Core, RG 2.540, diff 0.049Motiv Hadron Dual Density Core, RG 2.500, diff 0.045Brunswick Zone Asymmetric Core, RG 2.478, diff 0.048Ebonite Entity Core, RG 2.510, diff 0.052Roto Grip Rocker AI Core, RG 2.480, diff 0.050Motiv Flux Core, RG 2.570, diff 0.015Hammer Gas Mask Low Diff Core, RG 2.500, diff 0.034Roto Grip RST Core + AI, RG 2.520, diff 0.055Motiv Impulse V2 Core, RG 2.550, diff 0.050SWAG APX V1 Core, RG 2.500, diff 0.042SWAG Fusion Core, RG 2.540, diff 0.036SWAG Judge Core, RG 2.490, diff 0.052Roto Grip Rondure Core, RG 2.490, diff 0.052Columbia 300 Pulse PowerCOR, RG 2.460, diff 0.045Storm Element Tour A.I. Core, RG 2.470, diff 0.035KR Strikeforce KR Launch Core, RG 2.530, diff 0.047900 Global Ellipse Asymmetric A.I. Core, RG 2.480, diff 0.050Motiv Halogen Core, RG 2.550, diff 0.037Storm C3 + AI Core, RG 2.480, diff 0.031Motiv Gear APG, RG 2.470, diff 0.036Radical Snapshot Symmetric Core, RG 2.520, diff 0.050Hammer High Rev Offset Core, RG 2.489, diff 0.053Hammer Huntsman Tour Core, RG 2.472, diff 0.036Hammer LED Core, RG 2.650, diff 0.015Storm Inverted Fe2 Core, RG 2.570, diff 0.046Storm Capacitor Core, RG 2.570, diff 0.022Storm Velocity A.I. Core, RG 2.470, diff 0.053Storm Atomic Core, RG 2.480, diff 0.053Storm RAD-X Asymmetric, RG 2.480, diff 0.054Storm ID AI Core, RG 2.510, diff 0.055Hammer FAB Asymmetric, RG 2.550, diff 0.051Columbia 300 Shifter Core, RG 2.470, diff 0.050Radical Modified Intel Symmetric, RG 2.480, diff 0.032Columbia 300 Columbia Ricochet Core, RG 2.480, diff 0.054Roto Grip Defense AI Core, RG 2.490, diff 0.053Storm Supercoil Core, RG 2.470, diff 0.053Storm Centripetal HD A.I. Core, RG 2.460, diff 0.056Hammer Modified Infamous Core, RG 2.567, diff 0.049Brunswick Ethos Core, RG 2.480, diff 0.053Hammer Hazmat Core, RG 2.470, diff 0.055Track Criterion MD Core, RG 2.500, diff 0.052Storm Ignition Core, RG 2.490, diff 0.052Roto Grip Momentous A.I. Core, RG 2.480, diff 0.049Brunswick Portal X Core, RG 2.473, diff 0.054Ebonite Emerge Core, RG 2.510, diff 0.053Radical Katana Core, RG 2.500, diff 0.050900 Global Meditate LD Symmetric Core, RG 2.560, diff 0.027Columbia 300 Movement Core, RG 2.510, diff 0.053DV8 Dualistic Core (pictured: DV8 Dark Side Bowling Ball)1900 Global Magna AI Core (pictured: 900 Global Cove Bowling Ball)2Radical Evil Eye Symmetric Core (pictured: Radical Evil Eye Bowling Ball)3Radical Vexed Variant Asymmetric Core (pictured: Radical Vexed Variant Bowling Ball)4DV8 Mantra Core (pictured: DV8 Mantra Solid Bowling Ball)5Track Criterion ID Core (pictured: Track Criterion Inverse Bowling Ball)6Hammer LED 3.0 Core (pictured: Hammer Scorpion Strike Bowling Ball)EARLY REV-UPMID-LANELATER REV-UPHIGH FLAREMEDIUMLOW FLARE2.442.482.522.562.602.642.680.0100.0200.0300.0400.0500.060RG at 15 lbDifferential at 15 lb← Revs up soonerRevs up later →More flare ↑Less flare ↓

Nearest cores, zoomed in

Hover or tap a dot for that core’s numbers. Click a dot to open its page. Drag to move around when zoomed in. The same RG and differential do not guarantee the same ball motion.

Same family: Hammer LED Resin Bowling Ball Core Same family: Hammer LED Core Same family: Hammer LED 3.0 Low Flare Same family: Hammer LED 2.0 Core

This core 1 Nearest cores Other cores

Nearest cores to the Hammer LED 3.0 Core
Core Brand Shape RG Diff vs this core
DV8 Dark Side Bowling Ball1DV8 Dualistic CorePictured: DV8 Dark Side
 DV8 Symmetric 2.490 0.045 RG +0.005 · Diff 0.000
900 Global Cove Bowling Ball2900 Global Magna AI CorePictured: 900 Global Cove
 900 Global Symmetric 2.490 0.044 RG +0.005 · Diff −0.001
Radical Evil Eye Bowling Ball3Radical Evil Eye Symmetric CorePictured: Radical Evil Eye
 Radical Symmetric 2.490 0.046 RG +0.005 · Diff +0.001
Radical Vexed Variant Bowling Ball4Radical Vexed Variant Asymmetric CorePictured: Radical Vexed Variant
 Radical Asymmetric 2.490 0.045 RG +0.005 · Diff 0.000
DV8 Mantra Solid Bowling Ball5DV8 Mantra CorePictured: DV8 Mantra Solid
 DV8 Asymmetric 2.490 0.047 RG +0.005 · Diff +0.002
Track Criterion Inverse Bowling Ball6Track Criterion ID CorePictured: Track Criterion Inverse
 Track Asymmetric 2.490 0.047 RG +0.005 · Diff +0.002

Matches use 15 lb RG and differential.

Drilling and tools

Drilling layoutsLayout guides for symmetric and asymmetric ballsDual angle converterTurn a pin to PAP layout into a dual angle layout

We didn’t go the traditional route and only update the cover to extend the series; we also modified the core to increase the RG and differential to ensure the Scorpion Sting has a more continuous backend.   

From Hammer’s description

Questions bowlers ask

What is the RG of the Hammer LED 3.0 Core?

At 15 lb the Hammer LED 3.0 Core has an RG of 2.485. It ranges from 2.485 to 2.608 across the listed weights.

What is the 14 lb RG of the Hammer LED 3.0 Core?

At 14 lb the RG is 2.506.

What is the differential of the Hammer LED 3.0 Core?

At 15 lb the differential is 0.045. This is a symmetric core, so mass bias is not applicable.

Which bowling balls use the Hammer LED 3.0 Core?

Hammer Scorpion Strike Bowling Ball, Hammer Scorpion Sting Bowling Ball. 0 are in stock now.

Can I still buy a ball with the Hammer LED 3.0 Core?

Balls with this core are currently unavailable at BowlersMart. Closest in-stock alternatives by RG and differential include Radical Vexed Variant Bowling Ball, DV8 Double Trouble Bowling Ball, Radical Evil Eye Bowling Ball, 900 Global Cove Bowling Ball, Track Criterion Inverse Bowling Ball, DV8 Mantra Solid Bowling Ball.

How do the Hammer LED 3.0 Core specs change by weight?

At 16 lb: RG 2.495, differential 0.040. At 12 lb: RG 2.608, differential 0.040.

How does the Hammer LED 3.0 Core compare with my ball?

Type the ball you throw into the Compare with your ball box on this page. It shows the RG and differential side by side and saves your bag for every core page.

Sources and method

Specs. Hammer published specs, as shown on BowlersMart’s original Hammer LED 3.0 core page (2022), as published by the manufacturer.

Baseline. The baseline is 265 in-stock, published reactive and urethane balls. Plastic and polyester covers, 2-piece, 3-piece and pancake cores, missing covers and missing RG or differential values are excluded.

Percentiles. Percentiles are the share of baseline balls with a strictly lower or higher value; ties are not counted.

Nearest cores. Nearest cores are ranked by distance on standardized 15 lb RG and differential, with the same symmetric or asymmetric shape preferred among near ties (distance bands of 0.1).

Mass bias. Mass bias is compared among asymmetric balls with numeric mass bias only.

Updated. Catalog and page updated 2026-10-16.

Next lesson

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